Home / 370,042.08-510,671.52-208,887.36

Finding the Fourth Proportional to 370,042.08, 510,671.52 and 208,887.36

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Solution

The fourth proportional to 370,042.08, 510,671.52 and 208,887.36 is: 288,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,042.08 : 510,671.52 = 208,887.36 : x
  2. Step 2: Convert to fraction form
    370,042.08/510,671.52 = 208,887.36/x
  3. Step 3: Cross multiply
    370,042.08x = 510,671.52 × 208,887.36
  4. Step 4: Simplify right side
    370,042.08x = 106,672,825,639.99
  5. Step 5: Solve for x
    x = 106,672,825,639.99/370,042.08
  6. Step 6: Final answer
    x = 288,272.15

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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.