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Finding the Fourth Proportional to 346,684.40, 520,026.60 and 294,196.40

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Solution

The fourth proportional to 346,684.40, 520,026.60 and 294,196.40 is: 441,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,684.40 : 520,026.60 = 294,196.40 : x
  2. Step 2: Convert to fraction form
    346,684.40/520,026.60 = 294,196.40/x
  3. Step 3: Cross multiply
    346,684.40x = 520,026.60 × 294,196.40
  4. Step 4: Simplify right side
    346,684.40x = 152,989,953,624.24
  5. Step 5: Solve for x
    x = 152,989,953,624.24/346,684.40
  6. Step 6: Final answer
    x = 441,294.60

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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.