Home / 278,925.02-384,917.91-151,603.10

Finding the Fourth Proportional to 278,925.02, 384,917.91 and 151,603.10

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Solution

The fourth proportional to 278,925.02, 384,917.91 and 151,603.10 is: 209,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,925.02 : 384,917.91 = 151,603.10 : x
  2. Step 2: Convert to fraction form
    278,925.02/384,917.91 = 151,603.10/x
  3. Step 3: Cross multiply
    278,925.02x = 384,917.91 × 151,603.10
  4. Step 4: Simplify right side
    278,925.02x = 58,354,748,401.52
  5. Step 5: Solve for x
    x = 58,354,748,401.52/278,925.02
  6. Step 6: Final answer
    x = 209,213.03

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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.