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Finding the Fourth Proportional to 409,572.51, 565,200.43 and 237,521.22

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Solution

The fourth proportional to 409,572.51, 565,200.43 and 237,521.22 is: 327,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,572.51 : 565,200.43 = 237,521.22 : x
  2. Step 2: Convert to fraction form
    409,572.51/565,200.43 = 237,521.22/x
  3. Step 3: Cross multiply
    409,572.51x = 565,200.43 × 237,521.22
  4. Step 4: Simplify right side
    409,572.51x = 134,247,095,975.03
  5. Step 5: Solve for x
    x = 134,247,095,975.03/409,572.51
  6. Step 6: Final answer
    x = 327,773.70

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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.