Home / 412,292.07-618,322.95-145,981.08

Finding the Fourth Proportional to 412,292.07, 618,322.95 and 145,981.08

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Solution

The fourth proportional to 412,292.07, 618,322.95 and 145,981.08 is: 218,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,292.07 : 618,322.95 = 145,981.08 : x
  2. Step 2: Convert to fraction form
    412,292.07/618,322.95 = 145,981.08/x
  3. Step 3: Cross multiply
    412,292.07x = 618,322.95 × 145,981.08
  4. Step 4: Simplify right side
    412,292.07x = 90,263,452,029.79
  5. Step 5: Solve for x
    x = 90,263,452,029.79/412,292.07
  6. Step 6: Final answer
    x = 218,930.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.