Home / 280,929.98-387,788.80-184,140.07

Finding the Fourth Proportional to 280,929.98, 387,788.80 and 184,140.07

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Solution

The fourth proportional to 280,929.98, 387,788.80 and 184,140.07 is: 254,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,929.98 : 387,788.80 = 184,140.07 : x
  2. Step 2: Convert to fraction form
    280,929.98/387,788.80 = 184,140.07/x
  3. Step 3: Cross multiply
    280,929.98x = 387,788.80 × 184,140.07
  4. Step 4: Simplify right side
    280,929.98x = 71,407,456,777.22
  5. Step 5: Solve for x
    x = 71,407,456,777.22/280,929.98
  6. Step 6: Final answer
    x = 254,182.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.