Finding the Fourth Proportional to 249,048.24, 343,685.42 and 135,870.99
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Solution
The fourth proportional to 249,048.24, 343,685.42 and 135,870.99 is: 187,501.34
Step by Step Solution
- Step 1: Write the proportion equation
249,048.24 : 343,685.42 = 135,870.99 : x - Step 2: Convert to fraction form
249,048.24/343,685.42 = 135,870.99/x - Step 3: Cross multiply
249,048.24x = 343,685.42 × 135,870.99 - Step 4: Simplify right side
249,048.24x = 46,696,877,584.61 - Step 5: Solve for x
x = 46,696,877,584.61/249,048.24 - Step 6: Final answer
x = 187,501.34
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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.