Home / 448,126.96-618,386.36-266,852.20

Finding the Fourth Proportional to 448,126.96, 618,386.36 and 266,852.20

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Solution

The fourth proportional to 448,126.96, 618,386.36 and 266,852.20 is: 368,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,126.96 : 618,386.36 = 266,852.20 : x
  2. Step 2: Convert to fraction form
    448,126.96/618,386.36 = 266,852.20/x
  3. Step 3: Cross multiply
    448,126.96x = 618,386.36 × 266,852.20
  4. Step 4: Simplify right side
    448,126.96x = 165,017,760,615.99
  5. Step 5: Solve for x
    x = 165,017,760,615.99/448,126.96
  6. Step 6: Final answer
    x = 368,238.86

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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.