Home / 273,975.77-378,085.28-153,116.93

Finding the Fourth Proportional to 273,975.77, 378,085.28 and 153,116.93

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Solution

The fourth proportional to 273,975.77, 378,085.28 and 153,116.93 is: 211,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,975.77 : 378,085.28 = 153,116.93 : x
  2. Step 2: Convert to fraction form
    273,975.77/378,085.28 = 153,116.93/x
  3. Step 3: Cross multiply
    273,975.77x = 378,085.28 × 153,116.93
  4. Step 4: Simplify right side
    273,975.77x = 57,891,254,695.78
  5. Step 5: Solve for x
    x = 57,891,254,695.78/273,975.77
  6. Step 6: Final answer
    x = 211,300.64

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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.