Finding the Fourth Proportional to 343,973.88, 515,921.90 and 119,292.84
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Solution
The fourth proportional to 343,973.88, 515,921.90 and 119,292.84 is: 178,925.76
Step by Step Solution
- Step 1: Write the proportion equation
343,973.88 : 515,921.90 = 119,292.84 : x - Step 2: Convert to fraction form
343,973.88/515,921.90 = 119,292.84/x - Step 3: Cross multiply
343,973.88x = 515,921.90 × 119,292.84 - Step 4: Simplify right side
343,973.88x = 61,545,788,669.20 - Step 5: Solve for x
x = 61,545,788,669.20/343,973.88 - Step 6: Final answer
x = 178,925.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.