Home / 280,929.23-387,787.76-184,139.32

Finding the Fourth Proportional to 280,929.23, 387,787.76 and 184,139.32

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Solution

The fourth proportional to 280,929.23, 387,787.76 and 184,139.32 is: 254,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,929.23 : 387,787.76 = 184,139.32 : x
  2. Step 2: Convert to fraction form
    280,929.23/387,787.76 = 184,139.32/x
  3. Step 3: Cross multiply
    280,929.23x = 387,787.76 × 184,139.32
  4. Step 4: Simplify right side
    280,929.23x = 71,406,974,430.72
  5. Step 5: Solve for x
    x = 71,406,974,430.72/280,929.23
  6. Step 6: Final answer
    x = 254,181.36

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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.