Home / 274,341.15-378,605.50-153,475.23

Finding the Fourth Proportional to 274,341.15, 378,605.50 and 153,475.23

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Solution

The fourth proportional to 274,341.15, 378,605.50 and 153,475.23 is: 211,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,341.15 : 378,605.50 = 153,475.23 : x
  2. Step 2: Convert to fraction form
    274,341.15/378,605.50 = 153,475.23/x
  3. Step 3: Cross multiply
    274,341.15x = 378,605.50 × 153,475.23
  4. Step 4: Simplify right side
    274,341.15x = 58,106,567,717.03
  5. Step 5: Solve for x
    x = 58,106,567,717.03/274,341.15
  6. Step 6: Final answer
    x = 211,804.05

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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.