Home / 357,430.18-492,980.33-242,797.21

Finding the Fourth Proportional to 357,430.18, 492,980.33 and 242,797.21

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Solution

The fourth proportional to 357,430.18, 492,980.33 and 242,797.21 is: 334,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,430.18 : 492,980.33 = 242,797.21 : x
  2. Step 2: Convert to fraction form
    357,430.18/492,980.33 = 242,797.21/x
  3. Step 3: Cross multiply
    357,430.18x = 492,980.33 × 242,797.21
  4. Step 4: Simplify right side
    357,430.18x = 119,694,247,410.94
  5. Step 5: Solve for x
    x = 119,694,247,410.94/357,430.18
  6. Step 6: Final answer
    x = 334,874.48

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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.