Finding the Fourth Proportional to 390,201.08, 585,293.32 and 179,839.02
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Solution
The fourth proportional to 390,201.08, 585,293.32 and 179,839.02 is: 269,754.70
Step by Step Solution
- Step 1: Write the proportion equation
390,201.08 : 585,293.32 = 179,839.02 : x - Step 2: Convert to fraction form
390,201.08/585,293.32 = 179,839.02/x - Step 3: Cross multiply
390,201.08x = 585,293.32 × 179,839.02 - Step 4: Simplify right side
390,201.08x = 105,258,577,081.35 - Step 5: Solve for x
x = 105,258,577,081.35/390,201.08 - Step 6: Final answer
x = 269,754.70
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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.