Home / 347,215.92-478,999.08-203,973.36

Finding the Fourth Proportional to 347,215.92, 478,999.08 and 203,973.36

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Solution

The fourth proportional to 347,215.92, 478,999.08 and 203,973.36 is: 281,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,215.92 : 478,999.08 = 203,973.36 : x
  2. Step 2: Convert to fraction form
    347,215.92/478,999.08 = 203,973.36/x
  3. Step 3: Cross multiply
    347,215.92x = 478,999.08 × 203,973.36
  4. Step 4: Simplify right side
    347,215.92x = 97,703,051,784.51
  5. Step 5: Solve for x
    x = 97,703,051,784.51/347,215.92
  6. Step 6: Final answer
    x = 281,389.90

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1.5x scale

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.