Home / 355,764.15-490,938.98-194,622.35

Finding the Fourth Proportional to 355,764.15, 490,938.98 and 194,622.35

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Solution

The fourth proportional to 355,764.15, 490,938.98 and 194,622.35 is: 268,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,764.15 : 490,938.98 = 194,622.35 : x
  2. Step 2: Convert to fraction form
    355,764.15/490,938.98 = 194,622.35/x
  3. Step 3: Cross multiply
    355,764.15x = 490,938.98 × 194,622.35
  4. Step 4: Simplify right side
    355,764.15x = 95,547,694,566.40
  5. Step 5: Solve for x
    x = 95,547,694,566.40/355,764.15
  6. Step 6: Final answer
    x = 268,570.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.