Home / 209,231.50-288,733.38-118,595.81

Finding the Fourth Proportional to 209,231.50, 288,733.38 and 118,595.81

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Solution

The fourth proportional to 209,231.50, 288,733.38 and 118,595.81 is: 163,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.50 : 288,733.38 = 118,595.81 : x
  2. Step 2: Convert to fraction form
    209,231.50/288,733.38 = 118,595.81/x
  3. Step 3: Cross multiply
    209,231.50x = 288,733.38 × 118,595.81
  4. Step 4: Simplify right side
    209,231.50x = 34,242,569,075.14
  5. Step 5: Solve for x
    x = 34,242,569,075.14/209,231.50
  6. Step 6: Final answer
    x = 163,658.77

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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.