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Finding the Fourth Proportional to 615,336.48, 849,240.36 and 357,158.16

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Solution

The fourth proportional to 615,336.48, 849,240.36 and 357,158.16 is: 492,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,336.48 : 849,240.36 = 357,158.16 : x
  2. Step 2: Convert to fraction form
    615,336.48/849,240.36 = 357,158.16/x
  3. Step 3: Cross multiply
    615,336.48x = 849,240.36 × 357,158.16
  4. Step 4: Simplify right side
    615,336.48x = 303,313,124,375.34
  5. Step 5: Solve for x
    x = 303,313,124,375.34/615,336.48
  6. Step 6: Final answer
    x = 492,922.38

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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.