Finding the Fourth Proportional to 249,700.94, 344,588.74 and 136,523.69
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Solution
The fourth proportional to 249,700.94, 344,588.74 and 136,523.69 is: 188,403.48
Step by Step Solution
- Step 1: Write the proportion equation
249,700.94 : 344,588.74 = 136,523.69 : x - Step 2: Convert to fraction form
249,700.94/344,588.74 = 136,523.69/x - Step 3: Cross multiply
249,700.94x = 344,588.74 × 136,523.69 - Step 4: Simplify right side
249,700.94x = 47,044,526,317.25 - Step 5: Solve for x
x = 47,044,526,317.25/249,700.94 - Step 6: Final answer
x = 188,403.48
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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.