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Finding the Fourth Proportional to 265,471.74, 366,348.15 and 152,312.22

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Solution

The fourth proportional to 265,471.74, 366,348.15 and 152,312.22 is: 210,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,471.74 : 366,348.15 = 152,312.22 : x
  2. Step 2: Convert to fraction form
    265,471.74/366,348.15 = 152,312.22/x
  3. Step 3: Cross multiply
    265,471.74x = 366,348.15 × 152,312.22
  4. Step 4: Simplify right side
    265,471.74x = 55,799,300,019.39
  5. Step 5: Solve for x
    x = 55,799,300,019.39/265,471.74
  6. Step 6: Final answer
    x = 210,189.23

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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.