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Finding the Fourth Proportional to 286,966.60, 429,429.30 and 249,933.40

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Solution

The fourth proportional to 286,966.60, 429,429.30 and 249,933.40 is: 374,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,966.60 : 429,429.30 = 249,933.40 : x
  2. Step 2: Convert to fraction form
    286,966.60/429,429.30 = 249,933.40/x
  3. Step 3: Cross multiply
    286,966.60x = 429,429.30 × 249,933.40
  4. Step 4: Simplify right side
    286,966.60x = 107,328,725,008.62
  5. Step 5: Solve for x
    x = 107,328,725,008.62/286,966.60
  6. Step 6: Final answer
    x = 374,011.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.