Home / 369,848.17-510,385.47-206,507.21

Finding the Fourth Proportional to 369,848.17, 510,385.47 and 206,507.21

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Solution

The fourth proportional to 369,848.17, 510,385.47 and 206,507.21 is: 284,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,848.17 : 510,385.47 = 206,507.21 : x
  2. Step 2: Convert to fraction form
    369,848.17/510,385.47 = 206,507.21/x
  3. Step 3: Cross multiply
    369,848.17x = 510,385.47 × 206,507.21
  4. Step 4: Simplify right side
    369,848.17x = 105,398,279,434.24
  5. Step 5: Solve for x
    x = 105,398,279,434.24/369,848.17
  6. Step 6: Final answer
    x = 284,977.16

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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.