Home / 288,713.90-432,840.45-122,365.10

Finding the Fourth Proportional to 288,713.90, 432,840.45 and 122,365.10

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Solution

The fourth proportional to 288,713.90, 432,840.45 and 122,365.10 is: 183,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,713.90 : 432,840.45 = 122,365.10 : x
  2. Step 2: Convert to fraction form
    288,713.90/432,840.45 = 122,365.10/x
  3. Step 3: Cross multiply
    288,713.90x = 432,840.45 × 122,365.10
  4. Step 4: Simplify right side
    288,713.90x = 52,964,564,948.30
  5. Step 5: Solve for x
    x = 52,964,564,948.30/288,713.90
  6. Step 6: Final answer
    x = 183,450.00

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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.