Finding the Fourth Proportional to 316,765.47, 437,136.51 and 173,526.09
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Solution
The fourth proportional to 316,765.47, 437,136.51 and 173,526.09 is: 239,466.09
Step by Step Solution
- Step 1: Write the proportion equation
316,765.47 : 437,136.51 = 173,526.09 : x - Step 2: Convert to fraction form
316,765.47/437,136.51 = 173,526.09/x - Step 3: Cross multiply
316,765.47x = 437,136.51 × 173,526.09 - Step 4: Simplify right side
316,765.47x = 75,854,589,376.55 - Step 5: Solve for x
x = 75,854,589,376.55/316,765.47 - Step 6: Final answer
x = 239,466.09
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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.