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Finding the Fourth Proportional to 197,547.60, 296,291.32 and 64,427.64

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Solution

The fourth proportional to 197,547.60, 296,291.32 and 64,427.64 is: 96,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,547.60 : 296,291.32 = 64,427.64 : x
  2. Step 2: Convert to fraction form
    197,547.60/296,291.32 = 64,427.64/x
  3. Step 3: Cross multiply
    197,547.60x = 296,291.32 × 64,427.64
  4. Step 4: Simplify right side
    197,547.60x = 19,089,350,500.08
  5. Step 5: Solve for x
    x = 19,089,350,500.08/197,547.60
  6. Step 6: Final answer
    x = 96,631.65

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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.