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Finding the Fourth Proportional to 369,424.08, 509,568.84 and 256,205.52

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Solution

The fourth proportional to 369,424.08, 509,568.84 and 256,205.52 is: 353,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,424.08 : 509,568.84 = 256,205.52 : x
  2. Step 2: Convert to fraction form
    369,424.08/509,568.84 = 256,205.52/x
  3. Step 3: Cross multiply
    369,424.08x = 509,568.84 × 256,205.52
  4. Step 4: Simplify right side
    369,424.08x = 130,554,349,628.00
  5. Step 5: Solve for x
    x = 130,554,349,628.00/369,424.08
  6. Step 6: Final answer
    x = 353,399.67

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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.