Finding the Fourth Proportional to 463,915.56, 639,762.66 and 302,719.08
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Solution
The fourth proportional to 463,915.56, 639,762.66 and 302,719.08 is: 417,464.69
Step by Step Solution
- Step 1: Write the proportion equation
463,915.56 : 639,762.66 = 302,719.08 : x - Step 2: Convert to fraction form
463,915.56/639,762.66 = 302,719.08/x - Step 3: Cross multiply
463,915.56x = 639,762.66 × 302,719.08 - Step 4: Simplify right side
463,915.56x = 193,668,363,853.55 - Step 5: Solve for x
x = 193,668,363,853.55/463,915.56 - Step 6: Final answer
x = 417,464.69
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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.