Home / 289,347.04-433,607-162,721.52

Finding the Fourth Proportional to 289,347.04, 433,607 and 162,721.52

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Solution

The fourth proportional to 289,347.04, 433,607 and 162,721.52 is: 243,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,347.04 : 433,607 = 162,721.52 : x
  2. Step 2: Convert to fraction form
    289,347.04/433,607 = 162,721.52/x
  3. Step 3: Cross multiply
    289,347.04x = 433,607 × 162,721.52
  4. Step 4: Simplify right side
    289,347.04x = 70,557,190,122.64
  5. Step 5: Solve for x
    x = 70,557,190,122.64/289,347.04
  6. Step 6: Final answer
    x = 243,849.70

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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.