Finding the Fourth Proportional to 374,681.54, 517,060.16 and 202,599.09
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Solution
The fourth proportional to 374,681.54, 517,060.16 and 202,599.09 is: 279,586.55
Step by Step Solution
- Step 1: Write the proportion equation
374,681.54 : 517,060.16 = 202,599.09 : x - Step 2: Convert to fraction form
374,681.54/517,060.16 = 202,599.09/x - Step 3: Cross multiply
374,681.54x = 517,060.16 × 202,599.09 - Step 4: Simplify right side
374,681.54x = 104,755,916,878.26 - Step 5: Solve for x
x = 104,755,916,878.26/374,681.54 - Step 6: Final answer
x = 279,586.55
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1.5x scale
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.