Finding the Fourth Proportional to 316,496.93, 474,670.87 and 91,798.07
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Solution
The fourth proportional to 316,496.93, 474,670.87 and 91,798.07 is: 137,675.48
Step by Step Solution
- Step 1: Write the proportion equation
316,496.93 : 474,670.87 = 91,798.07 : x - Step 2: Convert to fraction form
316,496.93/474,670.87 = 91,798.07/x - Step 3: Cross multiply
316,496.93x = 474,670.87 × 91,798.07 - Step 4: Simplify right side
316,496.93x = 43,573,867,148.37 - Step 5: Solve for x
x = 43,573,867,148.37/316,496.93 - Step 6: Final answer
x = 137,675.48
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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.