Finding the Fourth Proportional to 253,681.08, 350,079.12 and 140,503.80
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Solution
The fourth proportional to 253,681.08, 350,079.12 and 140,503.80 is: 193,894.82
Step by Step Solution
- Step 1: Write the proportion equation
253,681.08 : 350,079.12 = 140,503.80 : x - Step 2: Convert to fraction form
253,681.08/350,079.12 = 140,503.80/x - Step 3: Cross multiply
253,681.08x = 350,079.12 × 140,503.80 - Step 4: Simplify right side
253,681.08x = 49,187,446,660.66 - Step 5: Solve for x
x = 49,187,446,660.66/253,681.08 - Step 6: Final answer
x = 193,894.82
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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.