Finding the Fourth Proportional to 389,637.60, 583,995.60 and 202,552.80
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Solution
The fourth proportional to 389,637.60, 583,995.60 and 202,552.80 is: 303,589.65
Step by Step Solution
- Step 1: Write the proportion equation
389,637.60 : 583,995.60 = 202,552.80 : x - Step 2: Convert to fraction form
389,637.60/583,995.60 = 202,552.80/x - Step 3: Cross multiply
389,637.60x = 583,995.60 × 202,552.80 - Step 4: Simplify right side
389,637.60x = 118,289,943,967.68 - Step 5: Solve for x
x = 118,289,943,967.68/389,637.60 - Step 6: Final answer
x = 303,589.65
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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.