Finding the Fourth Proportional to 519,136.13, 716,407.80 and 292,781.63
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Solution
The fourth proportional to 519,136.13, 716,407.80 and 292,781.63 is: 404,038.62
Step by Step Solution
- Step 1: Write the proportion equation
519,136.13 : 716,407.80 = 292,781.63 : x - Step 2: Convert to fraction form
519,136.13/716,407.80 = 292,781.63/x - Step 3: Cross multiply
519,136.13x = 716,407.80 × 292,781.63 - Step 4: Simplify right side
519,136.13x = 209,751,043,428.71 - Step 5: Solve for x
x = 209,751,043,428.71/519,136.13 - Step 6: Final answer
x = 404,038.62
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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.