Finding the Fourth Proportional to 151,038.68, 208,438.62 and 83,058.44
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Solution
The fourth proportional to 151,038.68, 208,438.62 and 83,058.44 is: 114,623.53
Step by Step Solution
- Step 1: Write the proportion equation
151,038.68 : 208,438.62 = 83,058.44 : x - Step 2: Convert to fraction form
151,038.68/208,438.62 = 83,058.44/x - Step 3: Cross multiply
151,038.68x = 208,438.62 × 83,058.44 - Step 4: Simplify right side
151,038.68x = 17,312,586,612.95 - Step 5: Solve for x
x = 17,312,586,612.95/151,038.68 - Step 6: Final answer
x = 114,623.53
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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.