Finding the Fourth Proportional to 517,683.05, 714,292.38 and 302,781.14
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Solution
The fourth proportional to 517,683.05, 714,292.38 and 302,781.14 is: 417,773.50
Step by Step Solution
- Step 1: Write the proportion equation
517,683.05 : 714,292.38 = 302,781.14 : x - Step 2: Convert to fraction form
517,683.05/714,292.38 = 302,781.14/x - Step 3: Cross multiply
517,683.05x = 714,292.38 × 302,781.14 - Step 4: Simplify right side
517,683.05x = 216,274,257,538.25 - Step 5: Solve for x
x = 216,274,257,538.25/517,683.05 - Step 6: Final answer
x = 417,773.50
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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.