Home / 285,719.48-428,631.69-232,880.19

Finding the Fourth Proportional to 285,719.48, 428,631.69 and 232,880.19

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Solution

The fourth proportional to 285,719.48, 428,631.69 and 232,880.19 is: 349,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,719.48 : 428,631.69 = 232,880.19 : x
  2. Step 2: Convert to fraction form
    285,719.48/428,631.69 = 232,880.19/x
  3. Step 3: Cross multiply
    285,719.48x = 428,631.69 × 232,880.19
  4. Step 4: Simplify right side
    285,719.48x = 99,819,829,407.22
  5. Step 5: Solve for x
    x = 99,819,829,407.22/285,719.48
  6. Step 6: Final answer
    x = 349,363.05

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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.