Finding the Fourth Proportional to 448,353.18, 671,782.23 and 368,637.03
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Solution
The fourth proportional to 448,353.18, 671,782.23 and 368,637.03 is: 552,340.92
Step by Step Solution
- Step 1: Write the proportion equation
448,353.18 : 671,782.23 = 368,637.03 : x - Step 2: Convert to fraction form
448,353.18/671,782.23 = 368,637.03/x - Step 3: Cross multiply
448,353.18x = 671,782.23 × 368,637.03 - Step 4: Simplify right side
448,353.18x = 247,643,806,073.98 - Step 5: Solve for x
x = 247,643,806,073.98/448,353.18 - Step 6: Final answer
x = 552,340.92
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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.