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Finding the Fourth Proportional to 182,585.60, 273,878.40 and 64,390.40

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Solution

The fourth proportional to 182,585.60, 273,878.40 and 64,390.40 is: 96,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,585.60 : 273,878.40 = 64,390.40 : x
  2. Step 2: Convert to fraction form
    182,585.60/273,878.40 = 64,390.40/x
  3. Step 3: Cross multiply
    182,585.60x = 273,878.40 × 64,390.40
  4. Step 4: Simplify right side
    182,585.60x = 17,635,139,727.36
  5. Step 5: Solve for x
    x = 17,635,139,727.36/182,585.60
  6. Step 6: Final answer
    x = 96,585.60

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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.