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Finding the Fourth Proportional to 280,044.73, 386,484.69 and 159,223.93

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Solution

The fourth proportional to 280,044.73, 386,484.69 and 159,223.93 is: 219,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,044.73 : 386,484.69 = 159,223.93 : x
  2. Step 2: Convert to fraction form
    280,044.73/386,484.69 = 159,223.93/x
  3. Step 3: Cross multiply
    280,044.73x = 386,484.69 × 159,223.93
  4. Step 4: Simplify right side
    280,044.73x = 61,537,611,226.63
  5. Step 5: Solve for x
    x = 61,537,611,226.63/280,044.73
  6. Step 6: Final answer
    x = 219,742.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.