Home / 422,865.81-583,861.07-272,225.25

Finding the Fourth Proportional to 422,865.81, 583,861.07 and 272,225.25

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Solution

The fourth proportional to 422,865.81, 583,861.07 and 272,225.25 is: 375,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,865.81 : 583,861.07 = 272,225.25 : x
  2. Step 2: Convert to fraction form
    422,865.81/583,861.07 = 272,225.25/x
  3. Step 3: Cross multiply
    422,865.81x = 583,861.07 × 272,225.25
  4. Step 4: Simplify right side
    422,865.81x = 158,941,725,746.02
  5. Step 5: Solve for x
    x = 158,941,725,746.02/422,865.81
  6. Step 6: Final answer
    x = 375,868.00

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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.