Home / 756,146.70-1,134,441.54-223,681.95

Finding the Fourth Proportional to 756,146.70, 1,134,441.54 and 223,681.95

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Solution

The fourth proportional to 756,146.70, 1,134,441.54 and 223,681.95 is: 335,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,146.70 : 1,134,441.54 = 223,681.95 : x
  2. Step 2: Convert to fraction form
    756,146.70/1,134,441.54 = 223,681.95/x
  3. Step 3: Cross multiply
    756,146.70x = 1,134,441.54 × 223,681.95
  4. Step 4: Simplify right side
    756,146.70x = 253,754,095,828.20
  5. Step 5: Solve for x
    x = 253,754,095,828.20/756,146.70
  6. Step 6: Final answer
    x = 335,588.45

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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.