Home / 306,228.60-458,444.64-214,726.72

Finding the Fourth Proportional to 306,228.60, 458,444.64 and 214,726.72

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Solution

The fourth proportional to 306,228.60, 458,444.64 and 214,726.72 is: 321,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,228.60 : 458,444.64 = 214,726.72 : x
  2. Step 2: Convert to fraction form
    306,228.60/458,444.64 = 214,726.72/x
  3. Step 3: Cross multiply
    306,228.60x = 458,444.64 × 214,726.72
  4. Step 4: Simplify right side
    306,228.60x = 98,440,312,702.67
  5. Step 5: Solve for x
    x = 98,440,312,702.67/306,228.60
  6. Step 6: Final answer
    x = 321,460.22

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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.