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Finding the Fourth Proportional to 368,725.77, 508,890.06 and 207,612.21

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Solution

The fourth proportional to 368,725.77, 508,890.06 and 207,612.21 is: 286,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,725.77 : 508,890.06 = 207,612.21 : x
  2. Step 2: Convert to fraction form
    368,725.77/508,890.06 = 207,612.21/x
  3. Step 3: Cross multiply
    368,725.77x = 508,890.06 × 207,612.21
  4. Step 4: Simplify right side
    368,725.77x = 105,651,790,003.63
  5. Step 5: Solve for x
    x = 105,651,790,003.63/368,725.77
  6. Step 6: Final answer
    x = 286,532.16

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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.