Home / 257,183.04-385,406.95-144,627

Finding the Fourth Proportional to 257,183.04, 385,406.95 and 144,627

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Solution

The fourth proportional to 257,183.04, 385,406.95 and 144,627 is: 216,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,183.04 : 385,406.95 = 144,627 : x
  2. Step 2: Convert to fraction form
    257,183.04/385,406.95 = 144,627/x
  3. Step 3: Cross multiply
    257,183.04x = 385,406.95 × 144,627
  4. Step 4: Simplify right side
    257,183.04x = 55,740,250,957.65
  5. Step 5: Solve for x
    x = 55,740,250,957.65/257,183.04
  6. Step 6: Final answer
    x = 216,733.77

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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.