Home / 346,457.55-519,920.07-121,819.24

Finding the Fourth Proportional to 346,457.55, 519,920.07 and 121,819.24

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Solution

The fourth proportional to 346,457.55, 519,920.07 and 121,819.24 is: 182,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,457.55 : 519,920.07 = 121,819.24 : x
  2. Step 2: Convert to fraction form
    346,457.55/519,920.07 = 121,819.24/x
  3. Step 3: Cross multiply
    346,457.55x = 519,920.07 × 121,819.24
  4. Step 4: Simplify right side
    346,457.55x = 63,336,267,981.22
  5. Step 5: Solve for x
    x = 63,336,267,981.22/346,457.55
  6. Step 6: Final answer
    x = 182,811.05

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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.