Finding the Fourth Proportional to 250,462.94, 375,715.80 and 138,220.63
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Solution
The fourth proportional to 250,462.94, 375,715.80 and 138,220.63 is: 207,342.75
Step by Step Solution
- Step 1: Write the proportion equation
250,462.94 : 375,715.80 = 138,220.63 : x - Step 2: Convert to fraction form
250,462.94/375,715.80 = 138,220.63/x - Step 3: Cross multiply
250,462.94x = 375,715.80 × 138,220.63 - Step 4: Simplify right side
250,462.94x = 51,931,673,637.66 - Step 5: Solve for x
x = 51,931,673,637.66/250,462.94 - Step 6: Final answer
x = 207,342.75
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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.