Finding the Fourth Proportional to 235,740.48, 325,328.88 and 145,148.70
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Solution
The fourth proportional to 235,740.48, 325,328.88 and 145,148.70 is: 200,309.53
Step by Step Solution
- Step 1: Write the proportion equation
235,740.48 : 325,328.88 = 145,148.70 : x - Step 2: Convert to fraction form
235,740.48/325,328.88 = 145,148.70/x - Step 3: Cross multiply
235,740.48x = 325,328.88 × 145,148.70 - Step 4: Simplify right side
235,740.48x = 47,221,064,004.46 - Step 5: Solve for x
x = 47,221,064,004.46/235,740.48 - Step 6: Final answer
x = 200,309.53
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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.