Home / 354,403.29-489,088.35-193,267.16

Finding the Fourth Proportional to 354,403.29, 489,088.35 and 193,267.16

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Solution

The fourth proportional to 354,403.29, 489,088.35 and 193,267.16 is: 266,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,403.29 : 489,088.35 = 193,267.16 : x
  2. Step 2: Convert to fraction form
    354,403.29/489,088.35 = 193,267.16/x
  3. Step 3: Cross multiply
    354,403.29x = 489,088.35 × 193,267.16
  4. Step 4: Simplify right side
    354,403.29x = 94,524,713,948.14
  5. Step 5: Solve for x
    x = 94,524,713,948.14/354,403.29
  6. Step 6: Final answer
    x = 266,715.11

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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.