Finding the Fourth Proportional to 249,463.99, 374,195.58 and 71,971.93
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Solution
The fourth proportional to 249,463.99, 374,195.58 and 71,971.93 is: 107,957.78
Step by Step Solution
- Step 1: Write the proportion equation
249,463.99 : 374,195.58 = 71,971.93 : x - Step 2: Convert to fraction form
249,463.99/374,195.58 = 71,971.93/x - Step 3: Cross multiply
249,463.99x = 374,195.58 × 71,971.93 - Step 4: Simplify right side
249,463.99x = 26,931,578,090.07 - Step 5: Solve for x
x = 26,931,578,090.07/249,463.99 - Step 6: Final answer
x = 107,957.78
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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.