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Finding the Fourth Proportional to 159,423.08, 218,410.57 and 153,444.20

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Solution

The fourth proportional to 159,423.08, 218,410.57 and 153,444.20 is: 210,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,423.08 : 218,410.57 = 153,444.20 : x
  2. Step 2: Convert to fraction form
    159,423.08/218,410.57 = 153,444.20/x
  3. Step 3: Cross multiply
    159,423.08x = 218,410.57 × 153,444.20
  4. Step 4: Simplify right side
    159,423.08x = 33,513,835,185.19
  5. Step 5: Solve for x
    x = 33,513,835,185.19/159,423.08
  6. Step 6: Final answer
    x = 210,219.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.