Finding the Fourth Proportional to 448,317.63, 618,678.35 and 247,113.63
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Solution
The fourth proportional to 448,317.63, 618,678.35 and 247,113.63 is: 341,016.82
Step by Step Solution
- Step 1: Write the proportion equation
448,317.63 : 618,678.35 = 247,113.63 : x - Step 2: Convert to fraction form
448,317.63/618,678.35 = 247,113.63/x - Step 3: Cross multiply
448,317.63x = 618,678.35 × 247,113.63 - Step 4: Simplify right side
448,317.63x = 152,883,851,635.34 - Step 5: Solve for x
x = 152,883,851,635.34/448,317.63 - Step 6: Final answer
x = 341,016.82
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1.5x scale
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.