Home / 448,276.21-618,621.40-254,684.25

Finding the Fourth Proportional to 448,276.21, 618,621.40 and 254,684.25

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Solution

The fourth proportional to 448,276.21, 618,621.40 and 254,684.25 is: 351,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,276.21 : 618,621.40 = 254,684.25 : x
  2. Step 2: Convert to fraction form
    448,276.21/618,621.40 = 254,684.25/x
  3. Step 3: Cross multiply
    448,276.21x = 618,621.40 × 254,684.25
  4. Step 4: Simplify right side
    448,276.21x = 157,553,129,146.67
  5. Step 5: Solve for x
    x = 157,553,129,146.67/448,276.21
  6. Step 6: Final answer
    x = 351,464.40

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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.