Home / 243,429.30-365,231.43-214,210.98

Finding the Fourth Proportional to 243,429.30, 365,231.43 and 214,210.98

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Solution

The fourth proportional to 243,429.30, 365,231.43 and 214,210.98 is: 321,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,429.30 : 365,231.43 = 214,210.98 : x
  2. Step 2: Convert to fraction form
    243,429.30/365,231.43 = 214,210.98/x
  3. Step 3: Cross multiply
    243,429.30x = 365,231.43 × 214,210.98
  4. Step 4: Simplify right side
    243,429.30x = 78,236,582,547.10
  5. Step 5: Solve for x
    x = 78,236,582,547.10/243,429.30
  6. Step 6: Final answer
    x = 321,393.45

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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.