Home / 357,988.17-536,965.23-105,258.45

Finding the Fourth Proportional to 357,988.17, 536,965.23 and 105,258.45

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Solution

The fourth proportional to 357,988.17, 536,965.23 and 105,258.45 is: 157,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,988.17 : 536,965.23 = 105,258.45 : x
  2. Step 2: Convert to fraction form
    357,988.17/536,965.23 = 105,258.45/x
  3. Step 3: Cross multiply
    357,988.17x = 536,965.23 × 105,258.45
  4. Step 4: Simplify right side
    357,988.17x = 56,520,127,813.69
  5. Step 5: Solve for x
    x = 56,520,127,813.69/357,988.17
  6. Step 6: Final answer
    x = 157,882.67

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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.