Home / 427,124.08-589,378.44-236,141.20

Finding the Fourth Proportional to 427,124.08, 589,378.44 and 236,141.20

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Solution

The fourth proportional to 427,124.08, 589,378.44 and 236,141.20 is: 325,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,124.08 : 589,378.44 = 236,141.20 : x
  2. Step 2: Convert to fraction form
    427,124.08/589,378.44 = 236,141.20/x
  3. Step 3: Cross multiply
    427,124.08x = 589,378.44 × 236,141.20
  4. Step 4: Simplify right side
    427,124.08x = 139,176,532,075.73
  5. Step 5: Solve for x
    x = 139,176,532,075.73/427,124.08
  6. Step 6: Final answer
    x = 325,845.67

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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.