Finding the Fourth Proportional to 630,629.84, 945,486.50 and 251,436.84
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Solution
The fourth proportional to 630,629.84, 945,486.50 and 251,436.84 is: 376,972.55
Step by Step Solution
- Step 1: Write the proportion equation
630,629.84 : 945,486.50 = 251,436.84 : x - Step 2: Convert to fraction form
630,629.84/945,486.50 = 251,436.84/x - Step 3: Cross multiply
630,629.84x = 945,486.50 × 251,436.84 - Step 4: Simplify right side
630,629.84x = 237,730,138,451.25 - Step 5: Solve for x
x = 237,730,138,451.25/630,629.84 - Step 6: Final answer
x = 376,972.55
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1.5x scale
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.