Finding the Fourth Proportional to 260,405.24, 389,970.88 and 235,161.80
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Solution
The fourth proportional to 260,405.24, 389,970.88 and 235,161.80 is: 352,167.47
Step by Step Solution
- Step 1: Write the proportion equation
260,405.24 : 389,970.88 = 235,161.80 : x - Step 2: Convert to fraction form
260,405.24/389,970.88 = 235,161.80/x - Step 3: Cross multiply
260,405.24x = 389,970.88 × 235,161.80 - Step 4: Simplify right side
260,405.24x = 91,706,254,088.38 - Step 5: Solve for x
x = 91,706,254,088.38/260,405.24 - Step 6: Final answer
x = 352,167.47
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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.