Home / 385,725.85-578,681.11-160,961.24

Finding the Fourth Proportional to 385,725.85, 578,681.11 and 160,961.24

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Solution

The fourth proportional to 385,725.85, 578,681.11 and 160,961.24 is: 241,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,725.85 : 578,681.11 = 160,961.24 : x
  2. Step 2: Convert to fraction form
    385,725.85/578,681.11 = 160,961.24/x
  3. Step 3: Cross multiply
    385,725.85x = 578,681.11 × 160,961.24
  4. Step 4: Simplify right side
    385,725.85x = 93,145,230,678.08
  5. Step 5: Solve for x
    x = 93,145,230,678.08/385,725.85
  6. Step 6: Final answer
    x = 241,480.40

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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.