Home / 452,586.36-678,967.08-153,115.72

Finding the Fourth Proportional to 452,586.36, 678,967.08 and 153,115.72

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Solution

The fourth proportional to 452,586.36, 678,967.08 and 153,115.72 is: 229,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,586.36 : 678,967.08 = 153,115.72 : x
  2. Step 2: Convert to fraction form
    452,586.36/678,967.08 = 153,115.72/x
  3. Step 3: Cross multiply
    452,586.36x = 678,967.08 × 153,115.72
  4. Step 4: Simplify right side
    452,586.36x = 103,960,533,310.50
  5. Step 5: Solve for x
    x = 103,960,533,310.50/452,586.36
  6. Step 6: Final answer
    x = 229,703.20

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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.