Home / 571,972.19-857,963.17-145,508.40

Finding the Fourth Proportional to 571,972.19, 857,963.17 and 145,508.40

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Solution

The fourth proportional to 571,972.19, 857,963.17 and 145,508.40 is: 218,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,972.19 : 857,963.17 = 145,508.40 : x
  2. Step 2: Convert to fraction form
    571,972.19/857,963.17 = 145,508.40/x
  3. Step 3: Cross multiply
    571,972.19x = 857,963.17 × 145,508.40
  4. Step 4: Simplify right side
    571,972.19x = 124,840,848,307.51
  5. Step 5: Solve for x
    x = 124,840,848,307.51/571,972.19
  6. Step 6: Final answer
    x = 218,263.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.