Home / 421,734.08-581,935.52-251,932.16

Finding the Fourth Proportional to 421,734.08, 581,935.52 and 251,932.16

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Solution

The fourth proportional to 421,734.08, 581,935.52 and 251,932.16 is: 347,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,734.08 : 581,935.52 = 251,932.16 : x
  2. Step 2: Convert to fraction form
    421,734.08/581,935.52 = 251,932.16/x
  3. Step 3: Cross multiply
    421,734.08x = 581,935.52 × 251,932.16
  4. Step 4: Simplify right side
    421,734.08x = 146,608,272,534.32
  5. Step 5: Solve for x
    x = 146,608,272,534.32/421,734.08
  6. Step 6: Final answer
    x = 347,632.03

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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.