Home / 369,814.09-554,678.08-99,929.41

Finding the Fourth Proportional to 369,814.09, 554,678.08 and 99,929.41

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Solution

The fourth proportional to 369,814.09, 554,678.08 and 99,929.41 is: 149,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,814.09 : 554,678.08 = 99,929.41 : x
  2. Step 2: Convert to fraction form
    369,814.09/554,678.08 = 99,929.41/x
  3. Step 3: Cross multiply
    369,814.09x = 554,678.08 × 99,929.41
  4. Step 4: Simplify right side
    369,814.09x = 55,428,653,333.62
  5. Step 5: Solve for x
    x = 55,428,653,333.62/369,814.09
  6. Step 6: Final answer
    x = 149,882.48

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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.