Home / 347,248.80-521,080.29-155,108.16

Finding the Fourth Proportional to 347,248.80, 521,080.29 and 155,108.16

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Solution

The fourth proportional to 347,248.80, 521,080.29 and 155,108.16 is: 232,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,248.80 : 521,080.29 = 155,108.16 : x
  2. Step 2: Convert to fraction form
    347,248.80/521,080.29 = 155,108.16/x
  3. Step 3: Cross multiply
    347,248.80x = 521,080.29 × 155,108.16
  4. Step 4: Simplify right side
    347,248.80x = 80,823,804,994.17
  5. Step 5: Solve for x
    x = 80,823,804,994.17/347,248.80
  6. Step 6: Final answer
    x = 232,754.74

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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.