Home / 434,445.88-651,758.70-209,962.52

Finding the Fourth Proportional to 434,445.88, 651,758.70 and 209,962.52

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Solution

The fourth proportional to 434,445.88, 651,758.70 and 209,962.52 is: 314,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,445.88 : 651,758.70 = 209,962.52 : x
  2. Step 2: Convert to fraction form
    434,445.88/651,758.70 = 209,962.52/x
  3. Step 3: Cross multiply
    434,445.88x = 651,758.70 × 209,962.52
  4. Step 4: Simplify right side
    434,445.88x = 136,844,899,083.92
  5. Step 5: Solve for x
    x = 136,844,899,083.92/434,445.88
  6. Step 6: Final answer
    x = 314,987.22

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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.