Home / 492,026.90-738,040.35-137,095.70

Finding the Fourth Proportional to 492,026.90, 738,040.35 and 137,095.70

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Solution

The fourth proportional to 492,026.90, 738,040.35 and 137,095.70 is: 205,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,026.90 : 738,040.35 = 137,095.70 : x
  2. Step 2: Convert to fraction form
    492,026.90/738,040.35 = 137,095.70/x
  3. Step 3: Cross multiply
    492,026.90x = 738,040.35 × 137,095.70
  4. Step 4: Simplify right side
    492,026.90x = 101,182,158,411.50
  5. Step 5: Solve for x
    x = 101,182,158,411.50/492,026.90
  6. Step 6: Final answer
    x = 205,643.55

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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.