Home / 432,488.48-648,851.09-208,036.67

Finding the Fourth Proportional to 432,488.48, 648,851.09 and 208,036.67

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Solution

The fourth proportional to 432,488.48, 648,851.09 and 208,036.67 is: 312,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,488.48 : 648,851.09 = 208,036.67 : x
  2. Step 2: Convert to fraction form
    432,488.48/648,851.09 = 208,036.67/x
  3. Step 3: Cross multiply
    432,488.48x = 648,851.09 × 208,036.67
  4. Step 4: Simplify right side
    432,488.48x = 134,984,820,671.42
  5. Step 5: Solve for x
    x = 134,984,820,671.42/432,488.48
  6. Step 6: Final answer
    x = 312,111.94

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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.