Home / 448,277.12-618,622.64-254,685.16

Finding the Fourth Proportional to 448,277.12, 618,622.64 and 254,685.16

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Solution

The fourth proportional to 448,277.12, 618,622.64 and 254,685.16 is: 351,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,277.12 : 618,622.64 = 254,685.16 : x
  2. Step 2: Convert to fraction form
    448,277.12/618,622.64 = 254,685.16/x
  3. Step 3: Cross multiply
    448,277.12x = 618,622.64 × 254,685.16
  4. Step 4: Simplify right side
    448,277.12x = 157,554,006,048.02
  5. Step 5: Solve for x
    x = 157,554,006,048.02/448,277.12
  6. Step 6: Final answer
    x = 351,465.64

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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.