Home / 213,387.04-319,909.02-146,629.36

Finding the Fourth Proportional to 213,387.04, 319,909.02 and 146,629.36

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Solution

The fourth proportional to 213,387.04, 319,909.02 and 146,629.36 is: 219,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,387.04 : 319,909.02 = 146,629.36 : x
  2. Step 2: Convert to fraction form
    213,387.04/319,909.02 = 146,629.36/x
  3. Step 3: Cross multiply
    213,387.04x = 319,909.02 × 146,629.36
  4. Step 4: Simplify right side
    213,387.04x = 46,908,054,860.83
  5. Step 5: Solve for x
    x = 46,908,054,860.83/213,387.04
  6. Step 6: Final answer
    x = 219,826.17

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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.