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Finding the Fourth Proportional to 503,447.58, 755,170.45 and 148,710.72

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Solution

The fourth proportional to 503,447.58, 755,170.45 and 148,710.72 is: 223,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,447.58 : 755,170.45 = 148,710.72 : x
  2. Step 2: Convert to fraction form
    503,447.58/755,170.45 = 148,710.72/x
  3. Step 3: Cross multiply
    503,447.58x = 755,170.45 × 148,710.72
  4. Step 4: Simplify right side
    503,447.58x = 112,301,941,342.22
  5. Step 5: Solve for x
    x = 112,301,941,342.22/503,447.58
  6. Step 6: Final answer
    x = 223,065.81

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1.5x scale

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.