Finding the Fourth Proportional to 828,202.55, 1,242,305.74 and 251,831.12
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Solution
The fourth proportional to 828,202.55, 1,242,305.74 and 251,831.12 is: 377,747.26
Step by Step Solution
- Step 1: Write the proportion equation
828,202.55 : 1,242,305.74 = 251,831.12 : x - Step 2: Convert to fraction form
828,202.55/1,242,305.74 = 251,831.12/x - Step 3: Cross multiply
828,202.55x = 1,242,305.74 × 251,831.12 - Step 4: Simplify right side
828,202.55x = 312,851,239,675.10 - Step 5: Solve for x
x = 312,851,239,675.10/828,202.55 - Step 6: Final answer
x = 377,747.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.