Home / 289,733.04-434,348.28-112,117.80

Finding the Fourth Proportional to 289,733.04, 434,348.28 and 112,117.80

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Solution

The fourth proportional to 289,733.04, 434,348.28 and 112,117.80 is: 168,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,733.04 : 434,348.28 = 112,117.80 : x
  2. Step 2: Convert to fraction form
    289,733.04/434,348.28 = 112,117.80/x
  3. Step 3: Cross multiply
    289,733.04x = 434,348.28 × 112,117.80
  4. Step 4: Simplify right side
    289,733.04x = 48,698,173,587.38
  5. Step 5: Solve for x
    x = 48,698,173,587.38/289,733.04
  6. Step 6: Final answer
    x = 168,079.46

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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.