Home / 288,669.04-432,895.87-99,075.61

Finding the Fourth Proportional to 288,669.04, 432,895.87 and 99,075.61

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Solution

The fourth proportional to 288,669.04, 432,895.87 and 99,075.61 is: 148,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,669.04 : 432,895.87 = 99,075.61 : x
  2. Step 2: Convert to fraction form
    288,669.04/432,895.87 = 99,075.61/x
  3. Step 3: Cross multiply
    288,669.04x = 432,895.87 × 99,075.61
  4. Step 4: Simplify right side
    288,669.04x = 42,889,421,056.80
  5. Step 5: Solve for x
    x = 42,889,421,056.80/288,669.04
  6. Step 6: Final answer
    x = 148,576.45

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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.