Finding the Fourth Proportional to 249,014.07, 343,963.53 and 201,446.82
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Solution
The fourth proportional to 249,014.07, 343,963.53 and 201,446.82 is: 278,258.81
Step by Step Solution
- Step 1: Write the proportion equation
249,014.07 : 343,963.53 = 201,446.82 : x - Step 2: Convert to fraction form
249,014.07/343,963.53 = 201,446.82/x - Step 3: Cross multiply
249,014.07x = 343,963.53 × 201,446.82 - Step 4: Simplify right side
249,014.07x = 69,290,359,314.47 - Step 5: Solve for x
x = 69,290,359,314.47/249,014.07 - Step 6: Final answer
x = 278,258.81
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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.