Home / 387,730.10-534,988.32-226,554.00

Finding the Fourth Proportional to 387,730.10, 534,988.32 and 226,554.00

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Solution

The fourth proportional to 387,730.10, 534,988.32 and 226,554.00 is: 312,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,730.10 : 534,988.32 = 226,554.00 : x
  2. Step 2: Convert to fraction form
    387,730.10/534,988.32 = 226,554.00/x
  3. Step 3: Cross multiply
    387,730.10x = 534,988.32 × 226,554.00
  4. Step 4: Simplify right side
    387,730.10x = 121,203,746,144.64
  5. Step 5: Solve for x
    x = 121,203,746,144.64/387,730.10
  6. Step 6: Final answer
    x = 312,598.24

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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.