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Finding the Fourth Proportional to 370,637.40, 511,480.48 and 200,871.48

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Solution

The fourth proportional to 370,637.40, 511,480.48 and 200,871.48 is: 277,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,637.40 : 511,480.48 = 200,871.48 : x
  2. Step 2: Convert to fraction form
    370,637.40/511,480.48 = 200,871.48/x
  3. Step 3: Cross multiply
    370,637.40x = 511,480.48 × 200,871.48
  4. Step 4: Simplify right side
    370,637.40x = 102,741,841,008.71
  5. Step 5: Solve for x
    x = 102,741,841,008.71/370,637.40
  6. Step 6: Final answer
    x = 277,203.11

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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.