Home / 495,029.99-742,857.37-210,720.13

Finding the Fourth Proportional to 495,029.99, 742,857.37 and 210,720.13

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Solution

The fourth proportional to 495,029.99, 742,857.37 and 210,720.13 is: 316,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,029.99 : 742,857.37 = 210,720.13 : x
  2. Step 2: Convert to fraction form
    495,029.99/742,857.37 = 210,720.13/x
  3. Step 3: Cross multiply
    495,029.99x = 742,857.37 × 210,720.13
  4. Step 4: Simplify right side
    495,029.99x = 156,534,999,193.91
  5. Step 5: Solve for x
    x = 156,534,999,193.91/495,029.99
  6. Step 6: Final answer
    x = 316,213.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.