Home / 278,543.61-384,266.84-165,300.75

Finding the Fourth Proportional to 278,543.61, 384,266.84 and 165,300.75

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Solution

The fourth proportional to 278,543.61, 384,266.84 and 165,300.75 is: 228,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,543.61 : 384,266.84 = 165,300.75 : x
  2. Step 2: Convert to fraction form
    278,543.61/384,266.84 = 165,300.75/x
  3. Step 3: Cross multiply
    278,543.61x = 384,266.84 × 165,300.75
  4. Step 4: Simplify right side
    278,543.61x = 63,519,596,025.63
  5. Step 5: Solve for x
    x = 63,519,596,025.63/278,543.61
  6. Step 6: Final answer
    x = 228,041.84

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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.