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Finding the Fourth Proportional to 314,717.02, 434,473.70 and 245,658.22

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Solution

The fourth proportional to 314,717.02, 434,473.70 and 245,658.22 is: 339,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,717.02 : 434,473.70 = 245,658.22 : x
  2. Step 2: Convert to fraction form
    314,717.02/434,473.70 = 245,658.22/x
  3. Step 3: Cross multiply
    314,717.02x = 434,473.70 × 245,658.22
  4. Step 4: Simplify right side
    314,717.02x = 106,732,035,778.81
  5. Step 5: Solve for x
    x = 106,732,035,778.81/314,717.02
  6. Step 6: Final answer
    x = 339,136.52

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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.