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Finding the Fourth Proportional to 184,498.90, 276,748.35 and 128,220.10

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Solution

The fourth proportional to 184,498.90, 276,748.35 and 128,220.10 is: 192,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,498.90 : 276,748.35 = 128,220.10 : x
  2. Step 2: Convert to fraction form
    184,498.90/276,748.35 = 128,220.10/x
  3. Step 3: Cross multiply
    184,498.90x = 276,748.35 × 128,220.10
  4. Step 4: Simplify right side
    184,498.90x = 35,484,701,111.84
  5. Step 5: Solve for x
    x = 35,484,701,111.84/184,498.90
  6. Step 6: Final answer
    x = 192,330.15

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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.