Home / 282,369.12-423,521.04-104,879.76

Finding the Fourth Proportional to 282,369.12, 423,521.04 and 104,879.76

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Solution

The fourth proportional to 282,369.12, 423,521.04 and 104,879.76 is: 157,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,369.12 : 423,521.04 = 104,879.76 : x
  2. Step 2: Convert to fraction form
    282,369.12/423,521.04 = 104,879.76/x
  3. Step 3: Cross multiply
    282,369.12x = 423,521.04 × 104,879.76
  4. Step 4: Simplify right side
    282,369.12x = 44,418,785,030.15
  5. Step 5: Solve for x
    x = 44,418,785,030.15/282,369.12
  6. Step 6: Final answer
    x = 157,307.52

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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.