Home / 249,230.12-343,064.58-217,342.76

Finding the Fourth Proportional to 249,230.12, 343,064.58 and 217,342.76

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Solution

The fourth proportional to 249,230.12, 343,064.58 and 217,342.76 is: 299,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,230.12 : 343,064.58 = 217,342.76 : x
  2. Step 2: Convert to fraction form
    249,230.12/343,064.58 = 217,342.76/x
  3. Step 3: Cross multiply
    249,230.12x = 343,064.58 × 217,342.76
  4. Step 4: Simplify right side
    249,230.12x = 74,562,602,675.44
  5. Step 5: Solve for x
    x = 74,562,602,675.44/249,230.12
  6. Step 6: Final answer
    x = 299,171.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.