Home / 274,298.60-378,547.63-153,444.98

Finding the Fourth Proportional to 274,298.60, 378,547.63 and 153,444.98

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Solution

The fourth proportional to 274,298.60, 378,547.63 and 153,444.98 is: 211,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,298.60 : 378,547.63 = 153,444.98 : x
  2. Step 2: Convert to fraction form
    274,298.60/378,547.63 = 153,444.98/x
  3. Step 3: Cross multiply
    274,298.60x = 378,547.63 × 153,444.98
  4. Step 4: Simplify right side
    274,298.60x = 58,086,234,077.15
  5. Step 5: Solve for x
    x = 58,086,234,077.15/274,298.60
  6. Step 6: Final answer
    x = 211,762.78

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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.