Home / 268,006.16-401,631.28-148,117.10

Finding the Fourth Proportional to 268,006.16, 401,631.28 and 148,117.10

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Solution

The fourth proportional to 268,006.16, 401,631.28 and 148,117.10 is: 221,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,006.16 : 401,631.28 = 148,117.10 : x
  2. Step 2: Convert to fraction form
    268,006.16/401,631.28 = 148,117.10/x
  3. Step 3: Cross multiply
    268,006.16x = 401,631.28 × 148,117.10
  4. Step 4: Simplify right side
    268,006.16x = 59,488,460,462.89
  5. Step 5: Solve for x
    x = 59,488,460,462.89/268,006.16
  6. Step 6: Final answer
    x = 221,966.77

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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.