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Finding the Fourth Proportional to 292,665.37, 403,869.95 and 171,804.73

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Solution

The fourth proportional to 292,665.37, 403,869.95 and 171,804.73 is: 237,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,665.37 : 403,869.95 = 171,804.73 : x
  2. Step 2: Convert to fraction form
    292,665.37/403,869.95 = 171,804.73/x
  3. Step 3: Cross multiply
    292,665.37x = 403,869.95 × 171,804.73
  4. Step 4: Simplify right side
    292,665.37x = 69,386,767,714.86
  5. Step 5: Solve for x
    x = 69,386,767,714.86/292,665.37
  6. Step 6: Final answer
    x = 237,085.68

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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.