Finding the Fourth Proportional to 660,350.84, 990,477.81 and 210,951.05
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Solution
The fourth proportional to 660,350.84, 990,477.81 and 210,951.05 is: 316,411.09
Step by Step Solution
- Step 1: Write the proportion equation
660,350.84 : 990,477.81 = 210,951.05 : x - Step 2: Convert to fraction form
660,350.84/990,477.81 = 210,951.05/x - Step 3: Cross multiply
660,350.84x = 990,477.81 × 210,951.05 - Step 4: Simplify right side
660,350.84x = 208,942,329,068.81 - Step 5: Solve for x
x = 208,942,329,068.81/660,350.84 - Step 6: Final answer
x = 316,411.09
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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.