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Finding the Fourth Proportional to 186,673.61, 280,009.88 and 46,432.23

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Solution

The fourth proportional to 186,673.61, 280,009.88 and 46,432.23 is: 69,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,673.61 : 280,009.88 = 46,432.23 : x
  2. Step 2: Convert to fraction form
    186,673.61/280,009.88 = 46,432.23/x
  3. Step 3: Cross multiply
    186,673.61x = 280,009.88 × 46,432.23
  4. Step 4: Simplify right side
    186,673.61x = 13,001,482,918.27
  5. Step 5: Solve for x
    x = 13,001,482,918.27/186,673.61
  6. Step 6: Final answer
    x = 69,648.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.