Home / 450,115.64-621,134.46-246,126.08

Finding the Fourth Proportional to 450,115.64, 621,134.46 and 246,126.08

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Solution

The fourth proportional to 450,115.64, 621,134.46 and 246,126.08 is: 339,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,115.64 : 621,134.46 = 246,126.08 : x
  2. Step 2: Convert to fraction form
    450,115.64/621,134.46 = 246,126.08/x
  3. Step 3: Cross multiply
    450,115.64x = 621,134.46 × 246,126.08
  4. Step 4: Simplify right side
    450,115.64x = 152,877,389,792.72
  5. Step 5: Solve for x
    x = 152,877,389,792.72/450,115.64
  6. Step 6: Final answer
    x = 339,640.25

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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.