Home / 355,927.50-533,329.38-289,042.20

Finding the Fourth Proportional to 355,927.50, 533,329.38 and 289,042.20

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Solution

The fourth proportional to 355,927.50, 533,329.38 and 289,042.20 is: 433,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,927.50 : 533,329.38 = 289,042.20 : x
  2. Step 2: Convert to fraction form
    355,927.50/533,329.38 = 289,042.20/x
  3. Step 3: Cross multiply
    355,927.50x = 533,329.38 × 289,042.20
  4. Step 4: Simplify right side
    355,927.50x = 154,154,697,319.84
  5. Step 5: Solve for x
    x = 154,154,697,319.84/355,927.50
  6. Step 6: Final answer
    x = 433,107.02

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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.