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Finding the Fourth Proportional to 354,225.08, 488,827.50 and 193,080.20

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Solution

The fourth proportional to 354,225.08, 488,827.50 and 193,080.20 is: 266,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,225.08 : 488,827.50 = 193,080.20 : x
  2. Step 2: Convert to fraction form
    354,225.08/488,827.50 = 193,080.20/x
  3. Step 3: Cross multiply
    354,225.08x = 488,827.50 × 193,080.20
  4. Step 4: Simplify right side
    354,225.08x = 94,382,911,465.50
  5. Step 5: Solve for x
    x = 94,382,911,465.50/354,225.08
  6. Step 6: Final answer
    x = 266,448.98

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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.