Home / 343,623.68-515,312.04-118,923.16

Finding the Fourth Proportional to 343,623.68, 515,312.04 and 118,923.16

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Solution

The fourth proportional to 343,623.68, 515,312.04 and 118,923.16 is: 178,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,623.68 : 515,312.04 = 118,923.16 : x
  2. Step 2: Convert to fraction form
    343,623.68/515,312.04 = 118,923.16/x
  3. Step 3: Cross multiply
    343,623.68x = 515,312.04 × 118,923.16
  4. Step 4: Simplify right side
    343,623.68x = 61,282,536,182.85
  5. Step 5: Solve for x
    x = 61,282,536,182.85/343,623.68
  6. Step 6: Final answer
    x = 178,342.01

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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.