Home / 286,530.20-429,795.30-144,812.60

Finding the Fourth Proportional to 286,530.20, 429,795.30 and 144,812.60

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Solution

The fourth proportional to 286,530.20, 429,795.30 and 144,812.60 is: 217,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,530.20 : 429,795.30 = 144,812.60 : x
  2. Step 2: Convert to fraction form
    286,530.20/429,795.30 = 144,812.60/x
  3. Step 3: Cross multiply
    286,530.20x = 429,795.30 × 144,812.60
  4. Step 4: Simplify right side
    286,530.20x = 62,239,774,860.78
  5. Step 5: Solve for x
    x = 62,239,774,860.78/286,530.20
  6. Step 6: Final answer
    x = 217,218.90

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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.