Home / 316,247.79-436,420.40-173,005.23

Finding the Fourth Proportional to 316,247.79, 436,420.40 and 173,005.23

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Solution

The fourth proportional to 316,247.79, 436,420.40 and 173,005.23 is: 238,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,247.79 : 436,420.40 = 173,005.23 : x
  2. Step 2: Convert to fraction form
    316,247.79/436,420.40 = 173,005.23/x
  3. Step 3: Cross multiply
    316,247.79x = 436,420.40 × 173,005.23
  4. Step 4: Simplify right side
    316,247.79x = 75,503,010,813.67
  5. Step 5: Solve for x
    x = 75,503,010,813.67/316,247.79
  6. Step 6: Final answer
    x = 238,746.37

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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.