Home / 343,505.13-474,037.28-209,369.13

Finding the Fourth Proportional to 343,505.13, 474,037.28 and 209,369.13

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Solution

The fourth proportional to 343,505.13, 474,037.28 and 209,369.13 is: 288,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,505.13 : 474,037.28 = 209,369.13 : x
  2. Step 2: Convert to fraction form
    343,505.13/474,037.28 = 209,369.13/x
  3. Step 3: Cross multiply
    343,505.13x = 474,037.28 × 209,369.13
  4. Step 4: Simplify right side
    343,505.13x = 99,248,772,901.17
  5. Step 5: Solve for x
    x = 99,248,772,901.17/343,505.13
  6. Step 6: Final answer
    x = 288,929.52

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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.