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Finding the Fourth Proportional to 288,538.30, 432,807.45 and 288,538.30

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Solution

The fourth proportional to 288,538.30, 432,807.45 and 288,538.30 is: 432,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,538.30 : 432,807.45 = 288,538.30 : x
  2. Step 2: Convert to fraction form
    288,538.30/432,807.45 = 288,538.30/x
  3. Step 3: Cross multiply
    288,538.30x = 432,807.45 × 288,538.30
  4. Step 4: Simplify right side
    288,538.30x = 124,881,525,850.34
  5. Step 5: Solve for x
    x = 124,881,525,850.34/288,538.30
  6. Step 6: Final answer
    x = 432,807.45

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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.