Home / 289,184.20-433,430.70-148,870.60

Finding the Fourth Proportional to 289,184.20, 433,430.70 and 148,870.60

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Solution

The fourth proportional to 289,184.20, 433,430.70 and 148,870.60 is: 223,127.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,184.20 : 433,430.70 = 148,870.60 : x
  2. Step 2: Convert to fraction form
    289,184.20/433,430.70 = 148,870.60/x
  3. Step 3: Cross multiply
    289,184.20x = 433,430.70 × 148,870.60
  4. Step 4: Simplify right side
    289,184.20x = 64,525,088,367.42
  5. Step 5: Solve for x
    x = 64,525,088,367.42/289,184.20
  6. Step 6: Final answer
    x = 223,127.99

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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.