Home / 376,128.48-519,047.92-210,554.16

Finding the Fourth Proportional to 376,128.48, 519,047.92 and 210,554.16

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Solution

The fourth proportional to 376,128.48, 519,047.92 and 210,554.16 is: 290,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,128.48 : 519,047.92 = 210,554.16 : x
  2. Step 2: Convert to fraction form
    376,128.48/519,047.92 = 210,554.16/x
  3. Step 3: Cross multiply
    376,128.48x = 519,047.92 × 210,554.16
  4. Step 4: Simplify right side
    376,128.48x = 109,287,698,795.35
  5. Step 5: Solve for x
    x = 109,287,698,795.35/376,128.48
  6. Step 6: Final answer
    x = 290,559.49

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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.