Home / 458,280.92-687,257.35-158,681.05

Finding the Fourth Proportional to 458,280.92, 687,257.35 and 158,681.05

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Solution

The fourth proportional to 458,280.92, 687,257.35 and 158,681.05 is: 237,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,280.92 : 687,257.35 = 158,681.05 : x
  2. Step 2: Convert to fraction form
    458,280.92/687,257.35 = 158,681.05/x
  3. Step 3: Cross multiply
    458,280.92x = 687,257.35 × 158,681.05
  4. Step 4: Simplify right side
    458,280.92x = 109,054,715,803.37
  5. Step 5: Solve for x
    x = 109,054,715,803.37/458,280.92
  6. Step 6: Final answer
    x = 237,964.77

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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.