Home / 357,943.40-493,932.49-210,744.86

Finding the Fourth Proportional to 357,943.40, 493,932.49 and 210,744.86

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Solution

The fourth proportional to 357,943.40, 493,932.49 and 210,744.86 is: 290,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,943.40 : 493,932.49 = 210,744.86 : x
  2. Step 2: Convert to fraction form
    357,943.40/493,932.49 = 210,744.86/x
  3. Step 3: Cross multiply
    357,943.40x = 493,932.49 × 210,744.86
  4. Step 4: Simplify right side
    357,943.40x = 104,093,730,457.98
  5. Step 5: Solve for x
    x = 104,093,730,457.98/357,943.40
  6. Step 6: Final answer
    x = 290,810.59

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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.