Home / 346,929.03-478,842.08-225,859.50

Finding the Fourth Proportional to 346,929.03, 478,842.08 and 225,859.50

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Solution

The fourth proportional to 346,929.03, 478,842.08 and 225,859.50 is: 311,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,929.03 : 478,842.08 = 225,859.50 : x
  2. Step 2: Convert to fraction form
    346,929.03/478,842.08 = 225,859.50/x
  3. Step 3: Cross multiply
    346,929.03x = 478,842.08 × 225,859.50
  4. Step 4: Simplify right side
    346,929.03x = 108,151,031,638.46
  5. Step 5: Solve for x
    x = 108,151,031,638.46/346,929.03
  6. Step 6: Final answer
    x = 311,738.20

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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.