Home / 255,464.40-352,547.10-142,289.04

Finding the Fourth Proportional to 255,464.40, 352,547.10 and 142,289.04

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Solution

The fourth proportional to 255,464.40, 352,547.10 and 142,289.04 is: 196,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,464.40 : 352,547.10 = 142,289.04 : x
  2. Step 2: Convert to fraction form
    255,464.40/352,547.10 = 142,289.04/x
  3. Step 3: Cross multiply
    255,464.40x = 352,547.10 × 142,289.04
  4. Step 4: Simplify right side
    255,464.40x = 50,163,588,413.78
  5. Step 5: Solve for x
    x = 50,163,588,413.78/255,464.40
  6. Step 6: Final answer
    x = 196,362.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.