Home / 434,314.20-651,438.90-181,529.40

Finding the Fourth Proportional to 434,314.20, 651,438.90 and 181,529.40

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Solution

The fourth proportional to 434,314.20, 651,438.90 and 181,529.40 is: 272,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,314.20 : 651,438.90 = 181,529.40 : x
  2. Step 2: Convert to fraction form
    434,314.20/651,438.90 = 181,529.40/x
  3. Step 3: Cross multiply
    434,314.20x = 651,438.90 × 181,529.40
  4. Step 4: Simplify right side
    434,314.20x = 118,255,312,653.66
  5. Step 5: Solve for x
    x = 118,255,312,653.66/434,314.20
  6. Step 6: Final answer
    x = 272,280.56

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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.