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Finding the Fourth Proportional to 427,443, 589,853.52 and 236,444.28

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Solution

The fourth proportional to 427,443, 589,853.52 and 236,444.28 is: 326,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,443 : 589,853.52 = 236,444.28 : x
  2. Step 2: Convert to fraction form
    427,443/589,853.52 = 236,444.28/x
  3. Step 3: Cross multiply
    427,443x = 589,853.52 × 236,444.28
  4. Step 4: Simplify right side
    427,443x = 139,467,490,841.87
  5. Step 5: Solve for x
    x = 139,467,490,841.87/427,443
  6. Step 6: Final answer
    x = 326,283.25

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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.