Finding the Fourth Proportional to 253,537.08, 349,867.29 and 138,793.53
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Solution
The fourth proportional to 253,537.08, 349,867.29 and 138,793.53 is: 191,527.47
Step by Step Solution
- Step 1: Write the proportion equation
253,537.08 : 349,867.29 = 138,793.53 : x - Step 2: Convert to fraction form
253,537.08/349,867.29 = 138,793.53/x - Step 3: Cross multiply
253,537.08x = 349,867.29 × 138,793.53 - Step 4: Simplify right side
253,537.08x = 48,559,316,210.63 - Step 5: Solve for x
x = 48,559,316,210.63/253,537.08 - Step 6: Final answer
x = 191,527.47
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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.