Home / 266,130.79-367,205.64-152,931.67

Finding the Fourth Proportional to 266,130.79, 367,205.64 and 152,931.67

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Solution

The fourth proportional to 266,130.79, 367,205.64 and 152,931.67 is: 211,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,130.79 : 367,205.64 = 152,931.67 : x
  2. Step 2: Convert to fraction form
    266,130.79/367,205.64 = 152,931.67/x
  3. Step 3: Cross multiply
    266,130.79x = 367,205.64 × 152,931.67
  4. Step 4: Simplify right side
    266,130.79x = 56,157,371,758.62
  5. Step 5: Solve for x
    x = 56,157,371,758.62/266,130.79
  6. Step 6: Final answer
    x = 211,014.19

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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.