Finding the Fourth Proportional to 316,462.68, 474,642.86 and 116,877.06
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Solution
The fourth proportional to 316,462.68, 474,642.86 and 116,877.06 is: 175,296.70
Step by Step Solution
- Step 1: Write the proportion equation
316,462.68 : 474,642.86 = 116,877.06 : x - Step 2: Convert to fraction form
316,462.68/474,642.86 = 116,877.06/x - Step 3: Cross multiply
316,462.68x = 474,642.86 × 116,877.06 - Step 4: Simplify right side
316,462.68x = 55,474,863,270.41 - Step 5: Solve for x
x = 55,474,863,270.41/316,462.68 - Step 6: Final answer
x = 175,296.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.