Finding the Fourth Proportional to 566,138.52, 781,283.07 and 311,490.18
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Solution
The fourth proportional to 566,138.52, 781,283.07 and 311,490.18 is: 429,863.00
Step by Step Solution
- Step 1: Write the proportion equation
566,138.52 : 781,283.07 = 311,490.18 : x - Step 2: Convert to fraction form
566,138.52/781,283.07 = 311,490.18/x - Step 3: Cross multiply
566,138.52x = 781,283.07 × 311,490.18 - Step 4: Simplify right side
566,138.52x = 243,362,004,105.25 - Step 5: Solve for x
x = 243,362,004,105.25/566,138.52 - Step 6: Final answer
x = 429,863.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.