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Finding the Fourth Proportional to 290,324.94, 435,317.88 and 112,624.29

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Solution

The fourth proportional to 290,324.94, 435,317.88 and 112,624.29 is: 168,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,324.94 : 435,317.88 = 112,624.29 : x
  2. Step 2: Convert to fraction form
    290,324.94/435,317.88 = 112,624.29/x
  3. Step 3: Cross multiply
    290,324.94x = 435,317.88 × 112,624.29
  4. Step 4: Simplify right side
    290,324.94x = 49,027,367,159.31
  5. Step 5: Solve for x
    x = 49,027,367,159.31/290,324.94
  6. Step 6: Final answer
    x = 168,870.67

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1.5x scale

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.