Finding the Fourth Proportional to 390,539.59, 585,598.65 and 177,191.07
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Solution
The fourth proportional to 390,539.59, 585,598.65 and 177,191.07 is: 265,690.99
Step by Step Solution
- Step 1: Write the proportion equation
390,539.59 : 585,598.65 = 177,191.07 : x - Step 2: Convert to fraction form
390,539.59/585,598.65 = 177,191.07/x - Step 3: Cross multiply
390,539.59x = 585,598.65 × 177,191.07 - Step 4: Simplify right side
390,539.59x = 103,762,851,384.06 - Step 5: Solve for x
x = 103,762,851,384.06/390,539.59 - Step 6: Final answer
x = 265,690.99
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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.