Finding the Fourth Proportional to 448,210.19, 618,530.07 and 247,006.19
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Solution
The fourth proportional to 448,210.19, 618,530.07 and 247,006.19 is: 340,868.55
Step by Step Solution
- Step 1: Write the proportion equation
448,210.19 : 618,530.07 = 247,006.19 : x - Step 2: Convert to fraction form
448,210.19/618,530.07 = 247,006.19/x - Step 3: Cross multiply
448,210.19x = 618,530.07 × 247,006.19 - Step 4: Simplify right side
448,210.19x = 152,780,755,991.13 - Step 5: Solve for x
x = 152,780,755,991.13/448,210.19 - Step 6: Final answer
x = 340,868.55
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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.