Home / 305,005.21-457,569.02-105,332.92

Finding the Fourth Proportional to 305,005.21, 457,569.02 and 105,332.92

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Solution

The fourth proportional to 305,005.21, 457,569.02 and 105,332.92 is: 158,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,005.21 : 457,569.02 = 105,332.92 : x
  2. Step 2: Convert to fraction form
    305,005.21/457,569.02 = 105,332.92/x
  3. Step 3: Cross multiply
    305,005.21x = 457,569.02 × 105,332.92
  4. Step 4: Simplify right side
    305,005.21x = 48,197,080,978.14
  5. Step 5: Solve for x
    x = 48,197,080,978.14/305,005.21
  6. Step 6: Final answer
    x = 158,020.52

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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.