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Finding the Fourth Proportional to 359,955.84, 496,718.70 and 214,925.40

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Solution

The fourth proportional to 359,955.84, 496,718.70 and 214,925.40 is: 296,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,955.84 : 496,718.70 = 214,925.40 : x
  2. Step 2: Convert to fraction form
    359,955.84/496,718.70 = 214,925.40/x
  3. Step 3: Cross multiply
    359,955.84x = 496,718.70 × 214,925.40
  4. Step 4: Simplify right side
    359,955.84x = 106,757,465,284.98
  5. Step 5: Solve for x
    x = 106,757,465,284.98/359,955.84
  6. Step 6: Final answer
    x = 296,584.90

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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.