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Finding the Fourth Proportional to 286,063.80, 429,095.70 and 272,941.80

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Solution

The fourth proportional to 286,063.80, 429,095.70 and 272,941.80 is: 409,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,063.80 : 429,095.70 = 272,941.80 : x
  2. Step 2: Convert to fraction form
    286,063.80/429,095.70 = 272,941.80/x
  3. Step 3: Cross multiply
    286,063.80x = 429,095.70 × 272,941.80
  4. Step 4: Simplify right side
    286,063.80x = 117,118,152,730.26
  5. Step 5: Solve for x
    x = 117,118,152,730.26/286,063.80
  6. Step 6: Final answer
    x = 409,412.70

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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.