Finding the Fourth Proportional to 316,926.99, 437,362.74 and 173,683.98
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Solution
The fourth proportional to 316,926.99, 437,362.74 and 173,683.98 is: 239,685.81
Step by Step Solution
- Step 1: Write the proportion equation
316,926.99 : 437,362.74 = 173,683.98 : x - Step 2: Convert to fraction form
316,926.99/437,362.74 = 173,683.98/x - Step 3: Cross multiply
316,926.99x = 437,362.74 × 173,683.98 - Step 4: Simplify right side
316,926.99x = 75,962,901,386.91 - Step 5: Solve for x
x = 75,962,901,386.91/316,926.99 - Step 6: Final answer
x = 239,685.81
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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.