Home / 260,036.10-390,054.15-229,968.90

Finding the Fourth Proportional to 260,036.10, 390,054.15 and 229,968.90

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Solution

The fourth proportional to 260,036.10, 390,054.15 and 229,968.90 is: 344,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,036.10 : 390,054.15 = 229,968.90 : x
  2. Step 2: Convert to fraction form
    260,036.10/390,054.15 = 229,968.90/x
  3. Step 3: Cross multiply
    260,036.10x = 390,054.15 × 229,968.90
  4. Step 4: Simplify right side
    260,036.10x = 89,700,323,815.94
  5. Step 5: Solve for x
    x = 89,700,323,815.94/260,036.10
  6. Step 6: Final answer
    x = 344,953.35

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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.