Home / 380,341.48-524,871.28-208,270.30

Finding the Fourth Proportional to 380,341.48, 524,871.28 and 208,270.30

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Solution

The fourth proportional to 380,341.48, 524,871.28 and 208,270.30 is: 287,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,341.48 : 524,871.28 = 208,270.30 : x
  2. Step 2: Convert to fraction form
    380,341.48/524,871.28 = 208,270.30/x
  3. Step 3: Cross multiply
    380,341.48x = 524,871.28 × 208,270.30
  4. Step 4: Simplify right side
    380,341.48x = 109,315,098,946.98
  5. Step 5: Solve for x
    x = 109,315,098,946.98/380,341.48
  6. Step 6: Final answer
    x = 287,413.03

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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.