Home / 208,331.79-287,498.33-112,838.50

Finding the Fourth Proportional to 208,331.79, 287,498.33 and 112,838.50

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Solution

The fourth proportional to 208,331.79, 287,498.33 and 112,838.50 is: 155,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,331.79 : 287,498.33 = 112,838.50 : x
  2. Step 2: Convert to fraction form
    208,331.79/287,498.33 = 112,838.50/x
  3. Step 3: Cross multiply
    208,331.79x = 287,498.33 × 112,838.50
  4. Step 4: Simplify right side
    208,331.79x = 32,440,880,309.71
  5. Step 5: Solve for x
    x = 32,440,880,309.71/208,331.79
  6. Step 6: Final answer
    x = 155,717.38

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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.