Home / 289,243.98-433,907.28-89,582.22

Finding the Fourth Proportional to 289,243.98, 433,907.28 and 89,582.22

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Solution

The fourth proportional to 289,243.98, 433,907.28 and 89,582.22 is: 134,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,243.98 : 433,907.28 = 89,582.22 : x
  2. Step 2: Convert to fraction form
    289,243.98/433,907.28 = 89,582.22/x
  3. Step 3: Cross multiply
    289,243.98x = 433,907.28 × 89,582.22
  4. Step 4: Simplify right side
    289,243.98x = 38,870,377,416.56
  5. Step 5: Solve for x
    x = 38,870,377,416.56/289,243.98
  6. Step 6: Final answer
    x = 134,386.12

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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.