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Finding the Fourth Proportional to 238,359.58, 328,798.81 and 142,810.92

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Solution

The fourth proportional to 238,359.58, 328,798.81 and 142,810.92 is: 196,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,359.58 : 328,798.81 = 142,810.92 : x
  2. Step 2: Convert to fraction form
    238,359.58/328,798.81 = 142,810.92/x
  3. Step 3: Cross multiply
    238,359.58x = 328,798.81 × 142,810.92
  4. Step 4: Simplify right side
    238,359.58x = 46,956,060,551.01
  5. Step 5: Solve for x
    x = 46,956,060,551.01/238,359.58
  6. Step 6: Final answer
    x = 196,996.74

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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.