Finding the Fourth Proportional to 498,860.41, 688,427.18 and 269,417.75
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Solution
The fourth proportional to 498,860.41, 688,427.18 and 269,417.75 is: 371,796.39
Step by Step Solution
- Step 1: Write the proportion equation
498,860.41 : 688,427.18 = 269,417.75 : x - Step 2: Convert to fraction form
498,860.41/688,427.18 = 269,417.75/x - Step 3: Cross multiply
498,860.41x = 688,427.18 × 269,417.75 - Step 4: Simplify right side
498,860.41x = 185,474,497,337.80 - Step 5: Solve for x
x = 185,474,497,337.80/498,860.41 - Step 6: Final answer
x = 371,796.39
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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.