Home / 449,220.46-619,925.53-245,273.14

Finding the Fourth Proportional to 449,220.46, 619,925.53 and 245,273.14

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Solution

The fourth proportional to 449,220.46, 619,925.53 and 245,273.14 is: 338,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,220.46 : 619,925.53 = 245,273.14 : x
  2. Step 2: Convert to fraction form
    449,220.46/619,925.53 = 245,273.14/x
  3. Step 3: Cross multiply
    449,220.46x = 619,925.53 × 245,273.14
  4. Step 4: Simplify right side
    449,220.46x = 152,051,081,309.26
  5. Step 5: Solve for x
    x = 152,051,081,309.26/449,220.46
  6. Step 6: Final answer
    x = 338,477.64

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1.5x scale

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.