Finding the Fourth Proportional to 310,247.06, 465,445.38 and 107,813.75
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Solution
The fourth proportional to 310,247.06, 465,445.38 and 107,813.75 is: 161,746.62
Step by Step Solution
- Step 1: Write the proportion equation
310,247.06 : 465,445.38 = 107,813.75 : x - Step 2: Convert to fraction form
310,247.06/465,445.38 = 107,813.75/x - Step 3: Cross multiply
310,247.06x = 465,445.38 × 107,813.75 - Step 4: Simplify right side
310,247.06x = 50,181,411,837.98 - Step 5: Solve for x
x = 50,181,411,837.98/310,247.06 - Step 6: Final answer
x = 161,746.62
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1.5x scale
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.