Home / 423,004.75-634,673.27-186,181.40

Finding the Fourth Proportional to 423,004.75, 634,673.27 and 186,181.40

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Solution

The fourth proportional to 423,004.75, 634,673.27 and 186,181.40 is: 279,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,004.75 : 634,673.27 = 186,181.40 : x
  2. Step 2: Convert to fraction form
    423,004.75/634,673.27 = 186,181.40/x
  3. Step 3: Cross multiply
    423,004.75x = 634,673.27 × 186,181.40
  4. Step 4: Simplify right side
    423,004.75x = 118,164,360,003.32
  5. Step 5: Solve for x
    x = 118,164,360,003.32/423,004.75
  6. Step 6: Final answer
    x = 279,345.23

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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.