Home / 369,955.08-510,539.76-208,816.92

Finding the Fourth Proportional to 369,955.08, 510,539.76 and 208,816.92

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Solution

The fourth proportional to 369,955.08, 510,539.76 and 208,816.92 is: 288,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,955.08 : 510,539.76 = 208,816.92 : x
  2. Step 2: Convert to fraction form
    369,955.08/510,539.76 = 208,816.92/x
  3. Step 3: Cross multiply
    369,955.08x = 510,539.76 × 208,816.92
  4. Step 4: Simplify right side
    369,955.08x = 106,609,340,220.74
  5. Step 5: Solve for x
    x = 106,609,340,220.74/369,955.08
  6. Step 6: Final answer
    x = 288,168.34

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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.