Home / 318,607.02-477,685.86-129,011.46

Finding the Fourth Proportional to 318,607.02, 477,685.86 and 129,011.46

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Solution

The fourth proportional to 318,607.02, 477,685.86 and 129,011.46 is: 193,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,607.02 : 477,685.86 = 129,011.46 : x
  2. Step 2: Convert to fraction form
    318,607.02/477,685.86 = 129,011.46/x
  3. Step 3: Cross multiply
    318,607.02x = 477,685.86 × 129,011.46
  4. Step 4: Simplify right side
    318,607.02x = 61,626,950,219.96
  5. Step 5: Solve for x
    x = 61,626,950,219.96/318,607.02
  6. Step 6: Final answer
    x = 193,426.22

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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.