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Finding the Fourth Proportional to 368,637.08, 508,686.75 and 205,281.25

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Solution

The fourth proportional to 368,637.08, 508,686.75 and 205,281.25 is: 283,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,637.08 : 508,686.75 = 205,281.25 : x
  2. Step 2: Convert to fraction form
    368,637.08/508,686.75 = 205,281.25/x
  3. Step 3: Cross multiply
    368,637.08x = 508,686.75 × 205,281.25
  4. Step 4: Simplify right side
    368,637.08x = 104,423,851,898.44
  5. Step 5: Solve for x
    x = 104,423,851,898.44/368,637.08
  6. Step 6: Final answer
    x = 283,270.07

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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.