Finding the Fourth Proportional to 390,523.26, 585,670.07 and 165,881.91
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Solution
The fourth proportional to 390,523.26, 585,670.07 and 165,881.91 is: 248,774.09
Step by Step Solution
- Step 1: Write the proportion equation
390,523.26 : 585,670.07 = 165,881.91 : x - Step 2: Convert to fraction form
390,523.26/585,670.07 = 165,881.91/x - Step 3: Cross multiply
390,523.26x = 585,670.07 × 165,881.91 - Step 4: Simplify right side
390,523.26x = 97,152,069,012.02 - Step 5: Solve for x
x = 97,152,069,012.02/390,523.26 - Step 6: Final answer
x = 248,774.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.