Finding the Fourth Proportional to 524,852.18, 787,403.18 and 169,866.20
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Solution
The fourth proportional to 524,852.18, 787,403.18 and 169,866.20 is: 254,839.72
Step by Step Solution
- Step 1: Write the proportion equation
524,852.18 : 787,403.18 = 169,866.20 : x - Step 2: Convert to fraction form
524,852.18/787,403.18 = 169,866.20/x - Step 3: Cross multiply
524,852.18x = 787,403.18 × 169,866.20 - Step 4: Simplify right side
524,852.18x = 133,753,182,542.17 - Step 5: Solve for x
x = 133,753,182,542.17/524,852.18 - Step 6: Final answer
x = 254,839.72
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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.