Home / 369,040.80-553,561.20-365,541.60

Finding the Fourth Proportional to 369,040.80, 553,561.20 and 365,541.60

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Solution

The fourth proportional to 369,040.80, 553,561.20 and 365,541.60 is: 548,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,040.80 : 553,561.20 = 365,541.60 : x
  2. Step 2: Convert to fraction form
    369,040.80/553,561.20 = 365,541.60/x
  3. Step 3: Cross multiply
    369,040.80x = 553,561.20 × 365,541.60
  4. Step 4: Simplify right side
    369,040.80x = 202,349,646,745.92
  5. Step 5: Solve for x
    x = 202,349,646,745.92/369,040.80
  6. Step 6: Final answer
    x = 548,312.40

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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.