Finding the Fourth Proportional to 374,831.56, 517,582.74 and 267,730.12
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Solution
The fourth proportional to 374,831.56, 517,582.74 and 267,730.12 is: 369,692.69
Step by Step Solution
- Step 1: Write the proportion equation
374,831.56 : 517,582.74 = 267,730.12 : x - Step 2: Convert to fraction form
374,831.56/517,582.74 = 267,730.12/x - Step 3: Cross multiply
374,831.56x = 517,582.74 × 267,730.12 - Step 4: Simplify right side
374,831.56x = 138,572,489,090.13 - Step 5: Solve for x
x = 138,572,489,090.13/374,831.56 - Step 6: Final answer
x = 369,692.69
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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.