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Finding the Fourth Proportional to 292,094.40, 438,141.60 and 166,123.20

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Solution

The fourth proportional to 292,094.40, 438,141.60 and 166,123.20 is: 249,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,094.40 : 438,141.60 = 166,123.20 : x
  2. Step 2: Convert to fraction form
    292,094.40/438,141.60 = 166,123.20/x
  3. Step 3: Cross multiply
    292,094.40x = 438,141.60 × 166,123.20
  4. Step 4: Simplify right side
    292,094.40x = 72,785,484,645.12
  5. Step 5: Solve for x
    x = 72,785,484,645.12/292,094.40
  6. Step 6: Final answer
    x = 249,184.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.