Home / 343,140.10-514,502.38-153,565.17

Finding the Fourth Proportional to 343,140.10, 514,502.38 and 153,565.17

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Solution

The fourth proportional to 343,140.10, 514,502.38 and 153,565.17 is: 230,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,140.10 : 514,502.38 = 153,565.17 : x
  2. Step 2: Convert to fraction form
    343,140.10/514,502.38 = 153,565.17/x
  3. Step 3: Cross multiply
    343,140.10x = 514,502.38 × 153,565.17
  4. Step 4: Simplify right side
    343,140.10x = 79,009,643,712.68
  5. Step 5: Solve for x
    x = 79,009,643,712.68/343,140.10
  6. Step 6: Final answer
    x = 230,254.77

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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.