Home / 405,987.40-560,251.02-224,706.76

Finding the Fourth Proportional to 405,987.40, 560,251.02 and 224,706.76

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Solution

The fourth proportional to 405,987.40, 560,251.02 and 224,706.76 is: 310,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,987.40 : 560,251.02 = 224,706.76 : x
  2. Step 2: Convert to fraction form
    405,987.40/560,251.02 = 224,706.76/x
  3. Step 3: Cross multiply
    405,987.40x = 560,251.02 × 224,706.76
  4. Step 4: Simplify right side
    405,987.40x = 125,892,191,490.90
  5. Step 5: Solve for x
    x = 125,892,191,490.90/405,987.40
  6. Step 6: Final answer
    x = 310,088.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.