Home / 288,089.64-397,566.72-160,762.50

Finding the Fourth Proportional to 288,089.64, 397,566.72 and 160,762.50

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Solution

The fourth proportional to 288,089.64, 397,566.72 and 160,762.50 is: 221,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,089.64 : 397,566.72 = 160,762.50 : x
  2. Step 2: Convert to fraction form
    288,089.64/397,566.72 = 160,762.50/x
  3. Step 3: Cross multiply
    288,089.64x = 397,566.72 × 160,762.50
  4. Step 4: Simplify right side
    288,089.64x = 63,913,819,824.00
  5. Step 5: Solve for x
    x = 63,913,819,824.00/288,089.64
  6. Step 6: Final answer
    x = 221,853.93

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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.