Finding the Fourth Proportional to 430,635.88, 593,661.63 and 302,915.08
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Solution
The fourth proportional to 430,635.88, 593,661.63 and 302,915.08 is: 417,589.59
Step by Step Solution
- Step 1: Write the proportion equation
430,635.88 : 593,661.63 = 302,915.08 : x - Step 2: Convert to fraction form
430,635.88/593,661.63 = 302,915.08/x - Step 3: Cross multiply
430,635.88x = 593,661.63 × 302,915.08 - Step 4: Simplify right side
430,635.88x = 179,829,060,144.38 - Step 5: Solve for x
x = 179,829,060,144.38/430,635.88 - Step 6: Final answer
x = 417,589.59
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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.