Home / 448,139.76-618,439.32-246,931.44

Finding the Fourth Proportional to 448,139.76, 618,439.32 and 246,931.44

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Solution

The fourth proportional to 448,139.76, 618,439.32 and 246,931.44 is: 340,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,139.76 : 618,439.32 = 246,931.44 : x
  2. Step 2: Convert to fraction form
    448,139.76/618,439.32 = 246,931.44/x
  3. Step 3: Cross multiply
    448,139.76x = 618,439.32 × 246,931.44
  4. Step 4: Simplify right side
    448,139.76x = 152,712,111,840.22
  5. Step 5: Solve for x
    x = 152,712,111,840.22/448,139.76
  6. Step 6: Final answer
    x = 340,768.94

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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.