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Finding the Fourth Proportional to 370,045.09, 510,658.59 and 208,896.67

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Solution

The fourth proportional to 370,045.09, 510,658.59 and 208,896.67 is: 288,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,045.09 : 510,658.59 = 208,896.67 : x
  2. Step 2: Convert to fraction form
    370,045.09/510,658.59 = 208,896.67/x
  3. Step 3: Cross multiply
    370,045.09x = 510,658.59 × 208,896.67
  4. Step 4: Simplify right side
    370,045.09x = 106,674,878,957.90
  5. Step 5: Solve for x
    x = 106,674,878,957.90/370,045.09
  6. Step 6: Final answer
    x = 288,275.35

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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.