Home / 427,123.08-589,377.06-236,140.20

Finding the Fourth Proportional to 427,123.08, 589,377.06 and 236,140.20

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Solution

The fourth proportional to 427,123.08, 589,377.06 and 236,140.20 is: 325,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,123.08 : 589,377.06 = 236,140.20 : x
  2. Step 2: Convert to fraction form
    427,123.08/589,377.06 = 236,140.20/x
  3. Step 3: Cross multiply
    427,123.08x = 589,377.06 × 236,140.20
  4. Step 4: Simplify right side
    427,123.08x = 139,175,616,823.81
  5. Step 5: Solve for x
    x = 139,175,616,823.81/427,123.08
  6. Step 6: Final answer
    x = 325,844.29

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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.