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Finding the Fourth Proportional to 247,365.40, 370,886.10 and 97,515.40

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Solution

The fourth proportional to 247,365.40, 370,886.10 and 97,515.40 is: 146,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,365.40 : 370,886.10 = 97,515.40 : x
  2. Step 2: Convert to fraction form
    247,365.40/370,886.10 = 97,515.40/x
  3. Step 3: Cross multiply
    247,365.40x = 370,886.10 × 97,515.40
  4. Step 4: Simplify right side
    247,365.40x = 36,167,106,395.94
  5. Step 5: Solve for x
    x = 36,167,106,395.94/247,365.40
  6. Step 6: Final answer
    x = 146,209.24

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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.