Finding the Fourth Proportional to 249,097.68, 343,762.40 and 141,683.19
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Solution
The fourth proportional to 249,097.68, 343,762.40 and 141,683.19 is: 195,527.12
Step by Step Solution
- Step 1: Write the proportion equation
249,097.68 : 343,762.40 = 141,683.19 : x - Step 2: Convert to fraction form
249,097.68/343,762.40 = 141,683.19/x - Step 3: Cross multiply
249,097.68x = 343,762.40 × 141,683.19 - Step 4: Simplify right side
249,097.68x = 48,705,352,725.64 - Step 5: Solve for x
x = 48,705,352,725.64/249,097.68 - Step 6: Final answer
x = 195,527.12
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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.