Home / 448,528.90-618,947.18-254,931.54

Finding the Fourth Proportional to 448,528.90, 618,947.18 and 254,931.54

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Solution

The fourth proportional to 448,528.90, 618,947.18 and 254,931.54 is: 351,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,528.90 : 618,947.18 = 254,931.54 : x
  2. Step 2: Convert to fraction form
    448,528.90/618,947.18 = 254,931.54/x
  3. Step 3: Cross multiply
    448,528.90x = 618,947.18 × 254,931.54
  4. Step 4: Simplify right side
    448,528.90x = 157,789,157,776.06
  5. Step 5: Solve for x
    x = 157,789,157,776.06/448,528.90
  6. Step 6: Final answer
    x = 351,792.62

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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.