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Finding the Fourth Proportional to 398,651.36, 597,300.36 and 240,547.60

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Solution

The fourth proportional to 398,651.36, 597,300.36 and 240,547.60 is: 360,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,651.36 : 597,300.36 = 240,547.60 : x
  2. Step 2: Convert to fraction form
    398,651.36/597,300.36 = 240,547.60/x
  3. Step 3: Cross multiply
    398,651.36x = 597,300.36 × 240,547.60
  4. Step 4: Simplify right side
    398,651.36x = 143,679,168,077.14
  5. Step 5: Solve for x
    x = 143,679,168,077.14/398,651.36
  6. Step 6: Final answer
    x = 360,413.09

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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.