Finding the Fourth Proportional to 346,620.74, 478,337.00 and 210,618.50
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Solution
The fourth proportional to 346,620.74, 478,337.00 and 210,618.50 is: 290,653.75
Step by Step Solution
- Step 1: Write the proportion equation
346,620.74 : 478,337.00 = 210,618.50 : x - Step 2: Convert to fraction form
346,620.74/478,337.00 = 210,618.50/x - Step 3: Cross multiply
346,620.74x = 478,337.00 × 210,618.50 - Step 4: Simplify right side
346,620.74x = 100,746,617,989.72 - Step 5: Solve for x
x = 100,746,617,989.72/346,620.74 - Step 6: Final answer
x = 290,653.75
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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.