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Finding the Fourth Proportional to 370,070.79, 510,710.07 and 226,803.15

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Solution

The fourth proportional to 370,070.79, 510,710.07 and 226,803.15 is: 312,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,070.79 : 510,710.07 = 226,803.15 : x
  2. Step 2: Convert to fraction form
    370,070.79/510,710.07 = 226,803.15/x
  3. Step 3: Cross multiply
    370,070.79x = 510,710.07 × 226,803.15
  4. Step 4: Simplify right side
    370,070.79x = 115,830,652,612.72
  5. Step 5: Solve for x
    x = 115,830,652,612.72/370,070.79
  6. Step 6: Final answer
    x = 312,995.93

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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.