Finding the Fourth Proportional to 514,943.80, 772,415.70 and 235,007.80
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Solution
The fourth proportional to 514,943.80, 772,415.70 and 235,007.80 is: 352,511.70
Step by Step Solution
- Step 1: Write the proportion equation
514,943.80 : 772,415.70 = 235,007.80 : x - Step 2: Convert to fraction form
514,943.80/772,415.70 = 235,007.80/x - Step 3: Cross multiply
514,943.80x = 772,415.70 × 235,007.80 - Step 4: Simplify right side
514,943.80x = 181,523,714,342.46 - Step 5: Solve for x
x = 181,523,714,342.46/514,943.80 - Step 6: Final answer
x = 352,511.70
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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.