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Finding the Fourth Proportional to 280,301.61, 387,237.60 and 183,734.64

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Solution

The fourth proportional to 280,301.61, 387,237.60 and 183,734.64 is: 253,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,301.61 : 387,237.60 = 183,734.64 : x
  2. Step 2: Convert to fraction form
    280,301.61/387,237.60 = 183,734.64/x
  3. Step 3: Cross multiply
    280,301.61x = 387,237.60 × 183,734.64
  4. Step 4: Simplify right side
    280,301.61x = 71,148,961,030.46
  5. Step 5: Solve for x
    x = 71,148,961,030.46/280,301.61
  6. Step 6: Final answer
    x = 253,830.01

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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.