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Finding the Fourth Proportional to 341,483.40, 512,225.10 and 307,657.80

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Solution

The fourth proportional to 341,483.40, 512,225.10 and 307,657.80 is: 461,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,483.40 : 512,225.10 = 307,657.80 : x
  2. Step 2: Convert to fraction form
    341,483.40/512,225.10 = 307,657.80/x
  3. Step 3: Cross multiply
    341,483.40x = 512,225.10 × 307,657.80
  4. Step 4: Simplify right side
    341,483.40x = 157,590,047,370.78
  5. Step 5: Solve for x
    x = 157,590,047,370.78/341,483.40
  6. Step 6: Final answer
    x = 461,486.70

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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.