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Finding the Fourth Proportional to 341,392.65, 512,088.98 and 208,532.40

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Solution

The fourth proportional to 341,392.65, 512,088.98 and 208,532.40 is: 312,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,392.65 : 512,088.98 = 208,532.40 : x
  2. Step 2: Convert to fraction form
    341,392.65/512,088.98 = 208,532.40/x
  3. Step 3: Cross multiply
    341,392.65x = 512,088.98 × 208,532.40
  4. Step 4: Simplify right side
    341,392.65x = 106,787,142,970.29
  5. Step 5: Solve for x
    x = 106,787,142,970.29/341,392.65
  6. Step 6: Final answer
    x = 312,798.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.