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Finding the Fourth Proportional to 342,768.02, 473,014.05 and 189,802.94

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Solution

The fourth proportional to 342,768.02, 473,014.05 and 189,802.94 is: 261,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,768.02 : 473,014.05 = 189,802.94 : x
  2. Step 2: Convert to fraction form
    342,768.02/473,014.05 = 189,802.94/x
  3. Step 3: Cross multiply
    342,768.02x = 473,014.05 × 189,802.94
  4. Step 4: Simplify right side
    342,768.02x = 89,779,454,986.24
  5. Step 5: Solve for x
    x = 89,779,454,986.24/342,768.02
  6. Step 6: Final answer
    x = 261,924.83

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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.