Finding the Fourth Proportional to 370,963.13, 556,070.81 and 146,236.59
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Solution
The fourth proportional to 370,963.13, 556,070.81 and 146,236.59 is: 219,207.50
Step by Step Solution
- Step 1: Write the proportion equation
370,963.13 : 556,070.81 = 146,236.59 : x - Step 2: Convert to fraction form
370,963.13/556,070.81 = 146,236.59/x - Step 3: Cross multiply
370,963.13x = 556,070.81 × 146,236.59 - Step 4: Simplify right side
370,963.13x = 81,317,898,321.76 - Step 5: Solve for x
x = 81,317,898,321.76/370,963.13 - Step 6: Final answer
x = 219,207.50
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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.