Home / 316,935.09-437,176.13-258,876.18

Finding the Fourth Proportional to 316,935.09, 437,176.13 and 258,876.18

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Solution

The fourth proportional to 316,935.09, 437,176.13 and 258,876.18 is: 357,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,935.09 : 437,176.13 = 258,876.18 : x
  2. Step 2: Convert to fraction form
    316,935.09/437,176.13 = 258,876.18/x
  3. Step 3: Cross multiply
    316,935.09x = 437,176.13 × 258,876.18
  4. Step 4: Simplify right side
    316,935.09x = 113,174,485,227.20
  5. Step 5: Solve for x
    x = 113,174,485,227.20/316,935.09
  6. Step 6: Final answer
    x = 357,090.42

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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.