Home / 438,280.84-656,922.93-185,403.52

Finding the Fourth Proportional to 438,280.84, 656,922.93 and 185,403.52

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Solution

The fourth proportional to 438,280.84, 656,922.93 and 185,403.52 is: 277,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,280.84 : 656,922.93 = 185,403.52 : x
  2. Step 2: Convert to fraction form
    438,280.84/656,922.93 = 185,403.52/x
  3. Step 3: Cross multiply
    438,280.84x = 656,922.93 × 185,403.52
  4. Step 4: Simplify right side
    438,280.84x = 121,795,823,590.71
  5. Step 5: Solve for x
    x = 121,795,823,590.71/438,280.84
  6. Step 6: Final answer
    x = 277,894.47

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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.