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Finding the Fourth Proportional to 615,282.48, 849,088.23 and 343,347.50

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Solution

The fourth proportional to 615,282.48, 849,088.23 and 343,347.50 is: 473,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,282.48 : 849,088.23 = 343,347.50 : x
  2. Step 2: Convert to fraction form
    615,282.48/849,088.23 = 343,347.50/x
  3. Step 3: Cross multiply
    615,282.48x = 849,088.23 × 343,347.50
  4. Step 4: Simplify right side
    615,282.48x = 291,532,316,804.48
  5. Step 5: Solve for x
    x = 291,532,316,804.48/615,282.48
  6. Step 6: Final answer
    x = 473,818.65

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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.