Home / 278,670.02-384,567.45-151,348.10

Finding the Fourth Proportional to 278,670.02, 384,567.45 and 151,348.10

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Solution

The fourth proportional to 278,670.02, 384,567.45 and 151,348.10 is: 208,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,670.02 : 384,567.45 = 151,348.10 : x
  2. Step 2: Convert to fraction form
    278,670.02/384,567.45 = 151,348.10/x
  3. Step 3: Cross multiply
    278,670.02x = 384,567.45 × 151,348.10
  4. Step 4: Simplify right side
    278,670.02x = 58,203,552,879.35
  5. Step 5: Solve for x
    x = 58,203,552,879.35/278,670.02
  6. Step 6: Final answer
    x = 208,861.91

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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.