Finding the Fourth Proportional to 525,663.28, 787,970.86 and 222,133.99
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Solution
The fourth proportional to 525,663.28, 787,970.86 and 222,133.99 is: 332,979.53
Step by Step Solution
- Step 1: Write the proportion equation
525,663.28 : 787,970.86 = 222,133.99 : x - Step 2: Convert to fraction form
525,663.28/787,970.86 = 222,133.99/x - Step 3: Cross multiply
525,663.28x = 787,970.86 × 222,133.99 - Step 4: Simplify right side
525,663.28x = 175,035,110,158.43 - Step 5: Solve for x
x = 175,035,110,158.43/525,663.28 - Step 6: Final answer
x = 332,979.53
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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.