Finding the Fourth Proportional to 630,107.29, 869,599.71 and 358,260.49
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Solution
The fourth proportional to 630,107.29, 869,599.71 and 358,260.49 is: 494,428.84
Step by Step Solution
- Step 1: Write the proportion equation
630,107.29 : 869,599.71 = 358,260.49 : x - Step 2: Convert to fraction form
630,107.29/869,599.71 = 358,260.49/x - Step 3: Cross multiply
630,107.29x = 869,599.71 × 358,260.49 - Step 4: Simplify right side
630,107.29x = 311,543,218,208.46 - Step 5: Solve for x
x = 311,543,218,208.46/630,107.29 - Step 6: Final answer
x = 494,428.84
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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.