Finding the Fourth Proportional to 622,985.80, 934,133.10 and 248,585.80
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Solution
The fourth proportional to 622,985.80, 934,133.10 and 248,585.80 is: 372,740.80
Step by Step Solution
- Step 1: Write the proportion equation
622,985.80 : 934,133.10 = 248,585.80 : x - Step 2: Convert to fraction form
622,985.80/934,133.10 = 248,585.80/x - Step 3: Cross multiply
622,985.80x = 934,133.10 × 248,585.80 - Step 4: Simplify right side
622,985.80x = 232,212,223,969.98 - Step 5: Solve for x
x = 232,212,223,969.98/622,985.80 - Step 6: Final answer
x = 372,740.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.