Home / 520,229.18-780,357.65-183,193.25

Finding the Fourth Proportional to 520,229.18, 780,357.65 and 183,193.25

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Solution

The fourth proportional to 520,229.18, 780,357.65 and 183,193.25 is: 274,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,229.18 : 780,357.65 = 183,193.25 : x
  2. Step 2: Convert to fraction form
    520,229.18/780,357.65 = 183,193.25/x
  3. Step 3: Cross multiply
    520,229.18x = 780,357.65 × 183,193.25
  4. Step 4: Simplify right side
    520,229.18x = 142,956,249,248.11
  5. Step 5: Solve for x
    x = 142,956,249,248.11/520,229.18
  6. Step 6: Final answer
    x = 274,794.75

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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.