Home / 217,258.08-299,502-152,530.44

Finding the Fourth Proportional to 217,258.08, 299,502 and 152,530.44

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Solution

The fourth proportional to 217,258.08, 299,502 and 152,530.44 is: 210,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258.08 : 299,502 = 152,530.44 : x
  2. Step 2: Convert to fraction form
    217,258.08/299,502 = 152,530.44/x
  3. Step 3: Cross multiply
    217,258.08x = 299,502 × 152,530.44
  4. Step 4: Simplify right side
    217,258.08x = 45,683,171,840.88
  5. Step 5: Solve for x
    x = 45,683,171,840.88/217,258.08
  6. Step 6: Final answer
    x = 210,271.45

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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.