Home / 357,433.17-492,984.45-242,800.20

Finding the Fourth Proportional to 357,433.17, 492,984.45 and 242,800.20

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Solution

The fourth proportional to 357,433.17, 492,984.45 and 242,800.20 is: 334,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,433.17 : 492,984.45 = 242,800.20 : x
  2. Step 2: Convert to fraction form
    357,433.17/492,984.45 = 242,800.20/x
  3. Step 3: Cross multiply
    357,433.17x = 492,984.45 × 242,800.20
  4. Step 4: Simplify right side
    357,433.17x = 119,696,723,056.89
  5. Step 5: Solve for x
    x = 119,696,723,056.89/357,433.17
  6. Step 6: Final answer
    x = 334,878.61

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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.