Home / 255,810.16-383,981.38-188,418.30

Finding the Fourth Proportional to 255,810.16, 383,981.38 and 188,418.30

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Solution

The fourth proportional to 255,810.16, 383,981.38 and 188,418.30 is: 282,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,810.16 : 383,981.38 = 188,418.30 : x
  2. Step 2: Convert to fraction form
    255,810.16/383,981.38 = 188,418.30/x
  3. Step 3: Cross multiply
    255,810.16x = 383,981.38 × 188,418.30
  4. Step 4: Simplify right side
    255,810.16x = 72,349,118,851.25
  5. Step 5: Solve for x
    x = 72,349,118,851.25/255,810.16
  6. Step 6: Final answer
    x = 282,823.48

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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.