Home / 401,678.29-602,514.83-102,156.28

Finding the Fourth Proportional to 401,678.29, 602,514.83 and 102,156.28

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Solution

The fourth proportional to 401,678.29, 602,514.83 and 102,156.28 is: 153,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,678.29 : 602,514.83 = 102,156.28 : x
  2. Step 2: Convert to fraction form
    401,678.29/602,514.83 = 102,156.28/x
  3. Step 3: Cross multiply
    401,678.29x = 602,514.83 × 102,156.28
  4. Step 4: Simplify right side
    401,678.29x = 61,550,676,007.43
  5. Step 5: Solve for x
    x = 61,550,676,007.43/401,678.29
  6. Step 6: Final answer
    x = 153,233.76

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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.