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Finding the Fourth Proportional to 371,444.30, 512,587.87 and 210,295.16

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Solution

The fourth proportional to 371,444.30, 512,587.87 and 210,295.16 is: 290,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,444.30 : 512,587.87 = 210,295.16 : x
  2. Step 2: Convert to fraction form
    371,444.30/512,587.87 = 210,295.16/x
  3. Step 3: Cross multiply
    371,444.30x = 512,587.87 × 210,295.16
  4. Step 4: Simplify right side
    371,444.30x = 107,794,748,135.71
  5. Step 5: Solve for x
    x = 107,794,748,135.71/371,444.30
  6. Step 6: Final answer
    x = 290,204.34

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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.