Home / 274,315.04-378,569.02-153,458.34

Finding the Fourth Proportional to 274,315.04, 378,569.02 and 153,458.34

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Solution

The fourth proportional to 274,315.04, 378,569.02 and 153,458.34 is: 211,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,315.04 : 378,569.02 = 153,458.34 : x
  2. Step 2: Convert to fraction form
    274,315.04/378,569.02 = 153,458.34/x
  3. Step 3: Cross multiply
    274,315.04x = 378,569.02 × 153,458.34
  4. Step 4: Simplify right side
    274,315.04x = 58,094,573,384.63
  5. Step 5: Solve for x
    x = 58,094,573,384.63/274,315.04
  6. Step 6: Final answer
    x = 211,780.49

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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.