Home / 385,999.04-578,952.48-164,446.40

Finding the Fourth Proportional to 385,999.04, 578,952.48 and 164,446.40

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Solution

The fourth proportional to 385,999.04, 578,952.48 and 164,446.40 is: 246,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,999.04 : 578,952.48 = 164,446.40 : x
  2. Step 2: Convert to fraction form
    385,999.04/578,952.48 = 164,446.40/x
  3. Step 3: Cross multiply
    385,999.04x = 578,952.48 × 164,446.40
  4. Step 4: Simplify right side
    385,999.04x = 95,206,651,107.07
  5. Step 5: Solve for x
    x = 95,206,651,107.07/385,999.04
  6. Step 6: Final answer
    x = 246,649.97

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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.