Finding the Fourth Proportional to 346,551.71, 519,876.81 and 106,685.62
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Solution
The fourth proportional to 346,551.71, 519,876.81 and 106,685.62 is: 160,043.59
Step by Step Solution
- Step 1: Write the proportion equation
346,551.71 : 519,876.81 = 106,685.62 : x - Step 2: Convert to fraction form
346,551.71/519,876.81 = 106,685.62/x - Step 3: Cross multiply
346,551.71x = 519,876.81 × 106,685.62 - Step 4: Simplify right side
346,551.71x = 55,463,378,498.78 - Step 5: Solve for x
x = 55,463,378,498.78/346,551.71 - Step 6: Final answer
x = 160,043.59
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1.5x scale
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.