Home / 507,129.02-760,819.90-152,149.58

Finding the Fourth Proportional to 507,129.02, 760,819.90 and 152,149.58

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Solution

The fourth proportional to 507,129.02, 760,819.90 and 152,149.58 is: 228,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,129.02 : 760,819.90 = 152,149.58 : x
  2. Step 2: Convert to fraction form
    507,129.02/760,819.90 = 152,149.58/x
  3. Step 3: Cross multiply
    507,129.02x = 760,819.90 × 152,149.58
  4. Step 4: Simplify right side
    507,129.02x = 115,758,428,240.64
  5. Step 5: Solve for x
    x = 115,758,428,240.64/507,129.02
  6. Step 6: Final answer
    x = 228,262.28

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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.