Finding the Fourth Proportional to 390,577.42, 585,861.87 and 296,386.08
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Solution
The fourth proportional to 390,577.42, 585,861.87 and 296,386.08 is: 444,575.89
Step by Step Solution
- Step 1: Write the proportion equation
390,577.42 : 585,861.87 = 296,386.08 : x - Step 2: Convert to fraction form
390,577.42/585,861.87 = 296,386.08/x - Step 3: Cross multiply
390,577.42x = 585,861.87 × 296,386.08 - Step 4: Simplify right side
390,577.42x = 173,641,303,070.77 - Step 5: Solve for x
x = 173,641,303,070.77/390,577.42 - Step 6: Final answer
x = 444,575.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.