Home / 559,943.04-839,915.19-139,218.96

Finding the Fourth Proportional to 559,943.04, 839,915.19 and 139,218.96

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Solution

The fourth proportional to 559,943.04, 839,915.19 and 139,218.96 is: 208,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,943.04 : 839,915.19 = 139,218.96 : x
  2. Step 2: Convert to fraction form
    559,943.04/839,915.19 = 139,218.96/x
  3. Step 3: Cross multiply
    559,943.04x = 839,915.19 × 139,218.96
  4. Step 4: Simplify right side
    559,943.04x = 116,932,119,240.00
  5. Step 5: Solve for x
    x = 116,932,119,240.00/559,943.04
  6. Step 6: Final answer
    x = 208,828.60

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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.