Home / 448,397.06-618,792.73-247,200.26

Finding the Fourth Proportional to 448,397.06, 618,792.73 and 247,200.26

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Solution

The fourth proportional to 448,397.06, 618,792.73 and 247,200.26 is: 341,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,397.06 : 618,792.73 = 247,200.26 : x
  2. Step 2: Convert to fraction form
    448,397.06/618,792.73 = 247,200.26/x
  3. Step 3: Cross multiply
    448,397.06x = 618,792.73 × 247,200.26
  4. Step 4: Simplify right side
    448,397.06x = 152,965,723,742.11
  5. Step 5: Solve for x
    x = 152,965,723,742.11/448,397.06
  6. Step 6: Final answer
    x = 341,139.00

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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.