Home / 434,567.40-651,851.10-135,045.60

Finding the Fourth Proportional to 434,567.40, 651,851.10 and 135,045.60

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Solution

The fourth proportional to 434,567.40, 651,851.10 and 135,045.60 is: 202,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,567.40 : 651,851.10 = 135,045.60 : x
  2. Step 2: Convert to fraction form
    434,567.40/651,851.10 = 135,045.60/x
  3. Step 3: Cross multiply
    434,567.40x = 651,851.10 × 135,045.60
  4. Step 4: Simplify right side
    434,567.40x = 88,029,622,910.16
  5. Step 5: Solve for x
    x = 88,029,622,910.16/434,567.40
  6. Step 6: Final answer
    x = 202,568.40

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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.