Home / 347,407.04-521,152.60-122,721.50

Finding the Fourth Proportional to 347,407.04, 521,152.60 and 122,721.50

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Solution

The fourth proportional to 347,407.04, 521,152.60 and 122,721.50 is: 184,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,407.04 : 521,152.60 = 122,721.50 : x
  2. Step 2: Convert to fraction form
    347,407.04/521,152.60 = 122,721.50/x
  3. Step 3: Cross multiply
    347,407.04x = 521,152.60 × 122,721.50
  4. Step 4: Simplify right side
    347,407.04x = 63,956,629,796.98
  5. Step 5: Solve for x
    x = 63,956,629,796.98/347,407.04
  6. Step 6: Final answer
    x = 184,097.10

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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.