Home / 343,281.60-514,922.40-231,307.20

Finding the Fourth Proportional to 343,281.60, 514,922.40 and 231,307.20

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Solution

The fourth proportional to 343,281.60, 514,922.40 and 231,307.20 is: 346,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,281.60 : 514,922.40 = 231,307.20 : x
  2. Step 2: Convert to fraction form
    343,281.60/514,922.40 = 231,307.20/x
  3. Step 3: Cross multiply
    343,281.60x = 514,922.40 × 231,307.20
  4. Step 4: Simplify right side
    343,281.60x = 119,105,258,561.28
  5. Step 5: Solve for x
    x = 119,105,258,561.28/343,281.60
  6. Step 6: Final answer
    x = 346,960.80

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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.