Home / 448,343.56-618,718.26-247,146.76

Finding the Fourth Proportional to 448,343.56, 618,718.26 and 247,146.76

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Solution

The fourth proportional to 448,343.56, 618,718.26 and 247,146.76 is: 341,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,343.56 : 618,718.26 = 247,146.76 : x
  2. Step 2: Convert to fraction form
    448,343.56/618,718.26 = 247,146.76/x
  3. Step 3: Cross multiply
    448,343.56x = 618,718.26 × 247,146.76
  4. Step 4: Simplify right side
    448,343.56x = 152,914,213,311.84
  5. Step 5: Solve for x
    x = 152,914,213,311.84/448,343.56
  6. Step 6: Final answer
    x = 341,064.81

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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.