Home / 353,688.09-488,095.79-192,547.77

Finding the Fourth Proportional to 353,688.09, 488,095.79 and 192,547.77

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Solution

The fourth proportional to 353,688.09, 488,095.79 and 192,547.77 is: 265,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,688.09 : 488,095.79 = 192,547.77 : x
  2. Step 2: Convert to fraction form
    353,688.09/488,095.79 = 192,547.77/x
  3. Step 3: Cross multiply
    353,688.09x = 488,095.79 × 192,547.77
  4. Step 4: Simplify right side
    353,688.09x = 93,981,754,948.15
  5. Step 5: Solve for x
    x = 93,981,754,948.15/353,688.09
  6. Step 6: Final answer
    x = 265,719.31

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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.