Home / 347,066.90-520,729.95-136,851.38

Finding the Fourth Proportional to 347,066.90, 520,729.95 and 136,851.38

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Solution

The fourth proportional to 347,066.90, 520,729.95 and 136,851.38 is: 205,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,066.90 : 520,729.95 = 136,851.38 : x
  2. Step 2: Convert to fraction form
    347,066.90/520,729.95 = 136,851.38/x
  3. Step 3: Cross multiply
    347,066.90x = 520,729.95 × 136,851.38
  4. Step 4: Simplify right side
    347,066.90x = 71,262,612,264.83
  5. Step 5: Solve for x
    x = 71,262,612,264.83/347,066.90
  6. Step 6: Final answer
    x = 205,328.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.