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Finding the Fourth Proportional to 347,244.40, 470,254.50 and 347,244.40

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Solution

The fourth proportional to 347,244.40, 470,254.50 and 347,244.40 is: 470,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,244.40 : 470,254.50 = 347,244.40 : x
  2. Step 2: Convert to fraction form
    347,244.40/470,254.50 = 347,244.40/x
  3. Step 3: Cross multiply
    347,244.40x = 470,254.50 × 347,244.40
  4. Step 4: Simplify right side
    347,244.40x = 163,293,241,699.80
  5. Step 5: Solve for x
    x = 163,293,241,699.80/347,244.40
  6. Step 6: Final answer
    x = 470,254.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.