Home / 370,541.52-511,373.25-209,411.46

Finding the Fourth Proportional to 370,541.52, 511,373.25 and 209,411.46

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Solution

The fourth proportional to 370,541.52, 511,373.25 and 209,411.46 is: 289,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,541.52 : 511,373.25 = 209,411.46 : x
  2. Step 2: Convert to fraction form
    370,541.52/511,373.25 = 209,411.46/x
  3. Step 3: Cross multiply
    370,541.52x = 511,373.25 × 209,411.46
  4. Step 4: Simplify right side
    370,541.52x = 107,087,418,887.45
  5. Step 5: Solve for x
    x = 107,087,418,887.45/370,541.52
  6. Step 6: Final answer
    x = 289,002.48

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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.