Home / 340,823.40-511,235.46-340,331.16

Finding the Fourth Proportional to 340,823.40, 511,235.46 and 340,331.16

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Solution

The fourth proportional to 340,823.40, 511,235.46 and 340,331.16 is: 510,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,823.40 : 511,235.46 = 340,331.16 : x
  2. Step 2: Convert to fraction form
    340,823.40/511,235.46 = 340,331.16/x
  3. Step 3: Cross multiply
    340,823.40x = 511,235.46 × 340,331.16
  4. Step 4: Simplify right side
    340,823.40x = 173,989,357,134.93
  5. Step 5: Solve for x
    x = 173,989,357,134.93/340,823.40
  6. Step 6: Final answer
    x = 510,497.10

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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.