Finding the Fourth Proportional to 346,462.40, 519,694.80 and 106,574.68
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Solution
The fourth proportional to 346,462.40, 519,694.80 and 106,574.68 is: 159,862.39
Step by Step Solution
- Step 1: Write the proportion equation
346,462.40 : 519,694.80 = 106,574.68 : x - Step 2: Convert to fraction form
346,462.40/519,694.80 = 106,574.68/x - Step 3: Cross multiply
346,462.40x = 519,694.80 × 106,574.68 - Step 4: Simplify right side
346,462.40x = 55,386,307,007.66 - Step 5: Solve for x
x = 55,386,307,007.66/346,462.40 - Step 6: Final answer
x = 159,862.39
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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.