Home / 364,292.80-546,439.20-258,004.60

Finding the Fourth Proportional to 364,292.80, 546,439.20 and 258,004.60

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Solution

The fourth proportional to 364,292.80, 546,439.20 and 258,004.60 is: 387,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,292.80 : 546,439.20 = 258,004.60 : x
  2. Step 2: Convert to fraction form
    364,292.80/546,439.20 = 258,004.60/x
  3. Step 3: Cross multiply
    364,292.80x = 546,439.20 × 258,004.60
  4. Step 4: Simplify right side
    364,292.80x = 140,983,827,220.32
  5. Step 5: Solve for x
    x = 140,983,827,220.32/364,292.80
  6. Step 6: Final answer
    x = 387,006.90

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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.