Finding the Fourth Proportional to 253,675.08, 350,070.84 and 140,497.80
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Solution
The fourth proportional to 253,675.08, 350,070.84 and 140,497.80 is: 193,886.54
Step by Step Solution
- Step 1: Write the proportion equation
253,675.08 : 350,070.84 = 140,497.80 : x - Step 2: Convert to fraction form
253,675.08/350,070.84 = 140,497.80/x - Step 3: Cross multiply
253,675.08x = 350,070.84 × 140,497.80 - Step 4: Simplify right side
253,675.08x = 49,184,182,864.15 - Step 5: Solve for x
x = 49,184,182,864.15/253,675.08 - Step 6: Final answer
x = 193,886.54
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1.5x scale
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.