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Finding the Fourth Proportional to 275,402.39, 380,058.36 and 152,903.12

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Solution

The fourth proportional to 275,402.39, 380,058.36 and 152,903.12 is: 211,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,402.39 : 380,058.36 = 152,903.12 : x
  2. Step 2: Convert to fraction form
    275,402.39/380,058.36 = 152,903.12/x
  3. Step 3: Cross multiply
    275,402.39x = 380,058.36 × 152,903.12
  4. Step 4: Simplify right side
    275,402.39x = 58,112,109,026.08
  5. Step 5: Solve for x
    x = 58,112,109,026.08/275,402.39
  6. Step 6: Final answer
    x = 211,008.01

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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.