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Finding the Fourth Proportional to 369,035.42, 509,270.67 and 207,893.00

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Solution

The fourth proportional to 369,035.42, 509,270.67 and 207,893.00 is: 286,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,035.42 : 509,270.67 = 207,893.00 : x
  2. Step 2: Convert to fraction form
    369,035.42/509,270.67 = 207,893.00/x
  3. Step 3: Cross multiply
    369,035.42x = 509,270.67 × 207,893.00
  4. Step 4: Simplify right side
    369,035.42x = 105,873,808,671.49
  5. Step 5: Solve for x
    x = 105,873,808,671.49/369,035.42
  6. Step 6: Final answer
    x = 286,893.36

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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.