Home / 369,025.20-509,303.16-207,911.34

Finding the Fourth Proportional to 369,025.20, 509,303.16 and 207,911.34

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Solution

The fourth proportional to 369,025.20, 509,303.16 and 207,911.34 is: 286,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,025.20 : 509,303.16 = 207,911.34 : x
  2. Step 2: Convert to fraction form
    369,025.20/509,303.16 = 207,911.34/x
  3. Step 3: Cross multiply
    369,025.20x = 509,303.16 × 207,911.34
  4. Step 4: Simplify right side
    369,025.20x = 105,889,902,461.83
  5. Step 5: Solve for x
    x = 105,889,902,461.83/369,025.20
  6. Step 6: Final answer
    x = 286,944.91

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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.