Home / 385,017.08-577,624.02-148,296.20

Finding the Fourth Proportional to 385,017.08, 577,624.02 and 148,296.20

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Solution

The fourth proportional to 385,017.08, 577,624.02 and 148,296.20 is: 222,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,017.08 : 577,624.02 = 148,296.20 : x
  2. Step 2: Convert to fraction form
    385,017.08/577,624.02 = 148,296.20/x
  3. Step 3: Cross multiply
    385,017.08x = 577,624.02 × 148,296.20
  4. Step 4: Simplify right side
    385,017.08x = 85,659,447,194.72
  5. Step 5: Solve for x
    x = 85,659,447,194.72/385,017.08
  6. Step 6: Final answer
    x = 222,482.20

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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.