Finding the Fourth Proportional to 249,699.94, 344,587.36 and 136,522.68
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Solution
The fourth proportional to 249,699.94, 344,587.36 and 136,522.68 is: 188,402.09
Step by Step Solution
- Step 1: Write the proportion equation
249,699.94 : 344,587.36 = 136,522.68 : x - Step 2: Convert to fraction form
249,699.94/344,587.36 = 136,522.68/x - Step 3: Cross multiply
249,699.94x = 344,587.36 × 136,522.68 - Step 4: Simplify right side
249,699.94x = 47,043,989,881.32 - Step 5: Solve for x
x = 47,043,989,881.32/249,699.94 - Step 6: Final answer
x = 188,402.09
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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.