Finding the Fourth Proportional to 249,675.20, 374,512.80 and 215,460.80
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Solution
The fourth proportional to 249,675.20, 374,512.80 and 215,460.80 is: 323,191.20
Step by Step Solution
- Step 1: Write the proportion equation
249,675.20 : 374,512.80 = 215,460.80 : x - Step 2: Convert to fraction form
249,675.20/374,512.80 = 215,460.80/x - Step 3: Cross multiply
249,675.20x = 374,512.80 × 215,460.80 - Step 4: Simplify right side
249,675.20x = 80,692,827,498.24 - Step 5: Solve for x
x = 80,692,827,498.24/249,675.20 - Step 6: Final answer
x = 323,191.20
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1.5x scale
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.