Home / 571,281.39-856,925.15-171,919.45

Finding the Fourth Proportional to 571,281.39, 856,925.15 and 171,919.45

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Solution

The fourth proportional to 571,281.39, 856,925.15 and 171,919.45 is: 257,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,281.39 : 856,925.15 = 171,919.45 : x
  2. Step 2: Convert to fraction form
    571,281.39/856,925.15 = 171,919.45/x
  3. Step 3: Cross multiply
    571,281.39x = 856,925.15 × 171,919.45
  4. Step 4: Simplify right side
    571,281.39x = 147,322,100,479.17
  5. Step 5: Solve for x
    x = 147,322,100,479.17/571,281.39
  6. Step 6: Final answer
    x = 257,880.10

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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.