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Finding the Fourth Proportional to 238,477.60, 358,407.60 and 208,064.80

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Solution

The fourth proportional to 238,477.60, 358,407.60 and 208,064.80 is: 312,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,477.60 : 358,407.60 = 208,064.80 : x
  2. Step 2: Convert to fraction form
    238,477.60/358,407.60 = 208,064.80/x
  3. Step 3: Cross multiply
    238,477.60x = 358,407.60 × 208,064.80
  4. Step 4: Simplify right side
    238,477.60x = 74,572,005,612.48
  5. Step 5: Solve for x
    x = 74,572,005,612.48/238,477.60
  6. Step 6: Final answer
    x = 312,700.25

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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.