Home / 280,834.02-387,587.23-160,018.67

Finding the Fourth Proportional to 280,834.02, 387,587.23 and 160,018.67

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Solution

The fourth proportional to 280,834.02, 387,587.23 and 160,018.67 is: 220,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,834.02 : 387,587.23 = 160,018.67 : x
  2. Step 2: Convert to fraction form
    280,834.02/387,587.23 = 160,018.67/x
  3. Step 3: Cross multiply
    280,834.02x = 387,587.23 × 160,018.67
  4. Step 4: Simplify right side
    280,834.02x = 62,021,193,622.51
  5. Step 5: Solve for x
    x = 62,021,193,622.51/280,834.02
  6. Step 6: Final answer
    x = 220,846.44

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1.5x scale

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.