Home / 478,875.06-718,417.71-141,941.70

Finding the Fourth Proportional to 478,875.06, 718,417.71 and 141,941.70

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Solution

The fourth proportional to 478,875.06, 718,417.71 and 141,941.70 is: 212,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,875.06 : 718,417.71 = 141,941.70 : x
  2. Step 2: Convert to fraction form
    478,875.06/718,417.71 = 141,941.70/x
  3. Step 3: Cross multiply
    478,875.06x = 718,417.71 × 141,941.70
  4. Step 4: Simplify right side
    478,875.06x = 101,973,431,067.51
  5. Step 5: Solve for x
    x = 101,973,431,067.51/478,875.06
  6. Step 6: Final answer
    x = 212,943.71

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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.