Finding the Fourth Proportional to 316,256.04, 436,438.62 and 173,017.08
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Solution
The fourth proportional to 316,256.04, 436,438.62 and 173,017.08 is: 238,766.46
Step by Step Solution
- Step 1: Write the proportion equation
316,256.04 : 436,438.62 = 173,017.08 : x - Step 2: Convert to fraction form
316,256.04/436,438.62 = 173,017.08/x - Step 3: Cross multiply
316,256.04x = 436,438.62 × 173,017.08 - Step 4: Simplify right side
316,256.04x = 75,511,335,631.63 - Step 5: Solve for x
x = 75,511,335,631.63/316,256.04 - Step 6: Final answer
x = 238,766.46
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1.5x scale
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.