Finding the Fourth Proportional to 390,635.24, 585,982.02 and 165,970.40
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Solution
The fourth proportional to 390,635.24, 585,982.02 and 165,970.40 is: 248,967.99
Step by Step Solution
- Step 1: Write the proportion equation
390,635.24 : 585,982.02 = 165,970.40 : x - Step 2: Convert to fraction form
390,635.24/585,982.02 = 165,970.40/x - Step 3: Cross multiply
390,635.24x = 585,982.02 × 165,970.40 - Step 4: Simplify right side
390,635.24x = 97,255,670,252.21 - Step 5: Solve for x
x = 97,255,670,252.21/390,635.24 - Step 6: Final answer
x = 248,967.99
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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.