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Finding the Fourth Proportional to 346,708.60, 520,062.90 and 228,513.40

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Solution

The fourth proportional to 346,708.60, 520,062.90 and 228,513.40 is: 342,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,708.60 : 520,062.90 = 228,513.40 : x
  2. Step 2: Convert to fraction form
    346,708.60/520,062.90 = 228,513.40/x
  3. Step 3: Cross multiply
    346,708.60x = 520,062.90 × 228,513.40
  4. Step 4: Simplify right side
    346,708.60x = 118,841,341,492.86
  5. Step 5: Solve for x
    x = 118,841,341,492.86/346,708.60
  6. Step 6: Final answer
    x = 342,770.10

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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.