Finding the Fourth Proportional to 249,560.01, 344,353.01 and 142,132.05
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Solution
The fourth proportional to 249,560.01, 344,353.01 and 142,132.05 is: 196,119.56
Step by Step Solution
- Step 1: Write the proportion equation
249,560.01 : 344,353.01 = 142,132.05 : x - Step 2: Convert to fraction form
249,560.01/344,353.01 = 142,132.05/x - Step 3: Cross multiply
249,560.01x = 344,353.01 × 142,132.05 - Step 4: Simplify right side
249,560.01x = 48,943,598,524.31 - Step 5: Solve for x
x = 48,943,598,524.31/249,560.01 - Step 6: Final answer
x = 196,119.56
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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.