Home / 317,582.50-476,497.95-139,964.62

Finding the Fourth Proportional to 317,582.50, 476,497.95 and 139,964.62

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Solution

The fourth proportional to 317,582.50, 476,497.95 and 139,964.62 is: 210,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,582.50 : 476,497.95 = 139,964.62 : x
  2. Step 2: Convert to fraction form
    317,582.50/476,497.95 = 139,964.62/x
  3. Step 3: Cross multiply
    317,582.50x = 476,497.95 × 139,964.62
  4. Step 4: Simplify right side
    317,582.50x = 66,692,854,502.53
  5. Step 5: Solve for x
    x = 66,692,854,502.53/317,582.50
  6. Step 6: Final answer
    x = 210,001.67

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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.