Finding the Fourth Proportional to 249,575.67, 344,406.74 and 142,161.03
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Solution
The fourth proportional to 249,575.67, 344,406.74 and 142,161.03 is: 196,177.84
Step by Step Solution
- Step 1: Write the proportion equation
249,575.67 : 344,406.74 = 142,161.03 : x - Step 2: Convert to fraction form
249,575.67/344,406.74 = 142,161.03/x - Step 3: Cross multiply
249,575.67x = 344,406.74 × 142,161.03 - Step 4: Simplify right side
249,575.67x = 48,961,216,186.54 - Step 5: Solve for x
x = 48,961,216,186.54/249,575.67 - Step 6: Final answer
x = 196,177.84
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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.