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Finding the Fourth Proportional to 615,337.48, 849,241.74 and 357,159.16

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Solution

The fourth proportional to 615,337.48, 849,241.74 and 357,159.16 is: 492,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,337.48 : 849,241.74 = 357,159.16 : x
  2. Step 2: Convert to fraction form
    615,337.48/849,241.74 = 357,159.16/x
  3. Step 3: Cross multiply
    615,337.48x = 849,241.74 × 357,159.16
  4. Step 4: Simplify right side
    615,337.48x = 303,314,466,495.34
  5. Step 5: Solve for x
    x = 303,314,466,495.34/615,337.48
  6. Step 6: Final answer
    x = 492,923.76

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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.