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Finding the Fourth Proportional to 288,042.40, 432,063.60 and 169,944.40

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Solution

The fourth proportional to 288,042.40, 432,063.60 and 169,944.40 is: 254,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,042.40 : 432,063.60 = 169,944.40 : x
  2. Step 2: Convert to fraction form
    288,042.40/432,063.60 = 169,944.40/x
  3. Step 3: Cross multiply
    288,042.40x = 432,063.60 × 169,944.40
  4. Step 4: Simplify right side
    288,042.40x = 73,426,789,263.84
  5. Step 5: Solve for x
    x = 73,426,789,263.84/288,042.40
  6. Step 6: Final answer
    x = 254,916.60

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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.