Finding the Fourth Proportional to 249,139.25, 343,812.08 and 135,962.00
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Solution
The fourth proportional to 249,139.25, 343,812.08 and 135,962.00 is: 187,627.51
Step by Step Solution
- Step 1: Write the proportion equation
249,139.25 : 343,812.08 = 135,962.00 : x - Step 2: Convert to fraction form
249,139.25/343,812.08 = 135,962.00/x - Step 3: Cross multiply
249,139.25x = 343,812.08 × 135,962.00 - Step 4: Simplify right side
249,139.25x = 46,745,378,200.68 - Step 5: Solve for x
x = 46,745,378,200.68/249,139.25 - Step 6: Final answer
x = 187,627.51
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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.