Home / 345,030.02-517,565.70-108,372.69

Finding the Fourth Proportional to 345,030.02, 517,565.70 and 108,372.69

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Solution

The fourth proportional to 345,030.02, 517,565.70 and 108,372.69 is: 162,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,030.02 : 517,565.70 = 108,372.69 : x
  2. Step 2: Convert to fraction form
    345,030.02/517,565.70 = 108,372.69/x
  3. Step 3: Cross multiply
    345,030.02x = 517,565.70 × 108,372.69
  4. Step 4: Simplify right side
    345,030.02x = 56,089,988,695.21
  5. Step 5: Solve for x
    x = 56,089,988,695.21/345,030.02
  6. Step 6: Final answer
    x = 162,565.53

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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.