Finding the Fourth Proportional to 343,417.05, 515,158.38 and 106,696.17
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Solution
The fourth proportional to 343,417.05, 515,158.38 and 106,696.17 is: 160,054.45
Step by Step Solution
- Step 1: Write the proportion equation
343,417.05 : 515,158.38 = 106,696.17 : x - Step 2: Convert to fraction form
343,417.05/515,158.38 = 106,696.17/x - Step 3: Cross multiply
343,417.05x = 515,158.38 × 106,696.17 - Step 4: Simplify right side
343,417.05x = 54,965,426,089.40 - Step 5: Solve for x
x = 54,965,426,089.40/343,417.05 - Step 6: Final answer
x = 160,054.45
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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.