Home / 354,566.49-489,303.36-193,421.04

Finding the Fourth Proportional to 354,566.49, 489,303.36 and 193,421.04

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Solution

The fourth proportional to 354,566.49, 489,303.36 and 193,421.04 is: 266,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,566.49 : 489,303.36 = 193,421.04 : x
  2. Step 2: Convert to fraction form
    354,566.49/489,303.36 = 193,421.04/x
  3. Step 3: Cross multiply
    354,566.49x = 489,303.36 × 193,421.04
  4. Step 4: Simplify right side
    354,566.49x = 94,641,564,766.69
  5. Step 5: Solve for x
    x = 94,641,564,766.69/354,566.49
  6. Step 6: Final answer
    x = 266,921.91

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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.