Home / 448,439.16-618,860.95-267,126.33

Finding the Fourth Proportional to 448,439.16, 618,860.95 and 267,126.33

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Solution

The fourth proportional to 448,439.16, 618,860.95 and 267,126.33 is: 368,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,439.16 : 618,860.95 = 267,126.33 : x
  2. Step 2: Convert to fraction form
    448,439.16/618,860.95 = 267,126.33/x
  3. Step 3: Cross multiply
    448,439.16x = 618,860.95 × 267,126.33
  4. Step 4: Simplify right side
    448,439.16x = 165,314,054,353.81
  5. Step 5: Solve for x
    x = 165,314,054,353.81/448,439.16
  6. Step 6: Final answer
    x = 368,643.22

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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.