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Finding the Fourth Proportional to 365,718.40, 549,499.20 and 232,662.40

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Solution

The fourth proportional to 365,718.40, 549,499.20 and 232,662.40 is: 349,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,718.40 : 549,499.20 = 232,662.40 : x
  2. Step 2: Convert to fraction form
    365,718.40/549,499.20 = 232,662.40/x
  3. Step 3: Cross multiply
    365,718.40x = 549,499.20 × 232,662.40
  4. Step 4: Simplify right side
    365,718.40x = 127,847,802,670.08
  5. Step 5: Solve for x
    x = 127,847,802,670.08/365,718.40
  6. Step 6: Final answer
    x = 349,579.90

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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.