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Finding the Fourth Proportional to 346,598.60, 486,287.80 and 346,598.60

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Solution

The fourth proportional to 346,598.60, 486,287.80 and 346,598.60 is: 486,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,598.60 : 486,287.80 = 346,598.60 : x
  2. Step 2: Convert to fraction form
    346,598.60/486,287.80 = 346,598.60/x
  3. Step 3: Cross multiply
    346,598.60x = 486,287.80 × 346,598.60
  4. Step 4: Simplify right side
    346,598.60x = 168,546,670,677.08
  5. Step 5: Solve for x
    x = 168,546,670,677.08/346,598.60
  6. Step 6: Final answer
    x = 486,287.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.