Finding the Fourth Proportional to 249,979.18, 374,971.20 and 62,990.68
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Solution
The fourth proportional to 249,979.18, 374,971.20 and 62,990.68 is: 94,486.63
Step by Step Solution
- Step 1: Write the proportion equation
249,979.18 : 374,971.20 = 62,990.68 : x - Step 2: Convert to fraction form
249,979.18/374,971.20 = 62,990.68/x - Step 3: Cross multiply
249,979.18x = 374,971.20 × 62,990.68 - Step 4: Simplify right side
249,979.18x = 23,619,690,868.42 - Step 5: Solve for x
x = 23,619,690,868.42/249,979.18 - Step 6: Final answer
x = 94,486.63
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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.