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Finding the Fourth Proportional to 507,277.55, 760,736.82 and 147,373.52

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Solution

The fourth proportional to 507,277.55, 760,736.82 and 147,373.52 is: 221,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,277.55 : 760,736.82 = 147,373.52 : x
  2. Step 2: Convert to fraction form
    507,277.55/760,736.82 = 147,373.52/x
  3. Step 3: Cross multiply
    507,277.55x = 760,736.82 × 147,373.52
  4. Step 4: Simplify right side
    507,277.55x = 112,112,462,957.01
  5. Step 5: Solve for x
    x = 112,112,462,957.01/507,277.55
  6. Step 6: Final answer
    x = 221,008.13

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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.