Finding the Fourth Proportional to 249,161.42, 343,837.95 and 135,984.98
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Solution
The fourth proportional to 249,161.42, 343,837.95 and 135,984.98 is: 187,656.64
Step by Step Solution
- Step 1: Write the proportion equation
249,161.42 : 343,837.95 = 135,984.98 : x - Step 2: Convert to fraction form
249,161.42/343,837.95 = 135,984.98/x - Step 3: Cross multiply
249,161.42x = 343,837.95 × 135,984.98 - Step 4: Simplify right side
249,161.42x = 46,756,795,034.80 - Step 5: Solve for x
x = 46,756,795,034.80/249,161.42 - Step 6: Final answer
x = 187,656.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.