Finding the Fourth Proportional to 239,054.05, 358,466.73 and 139,242.70
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Solution
The fourth proportional to 239,054.05, 358,466.73 and 139,242.70 is: 208,797.45
Step by Step Solution
- Step 1: Write the proportion equation
239,054.05 : 358,466.73 = 139,242.70 : x - Step 2: Convert to fraction form
239,054.05/358,466.73 = 139,242.70/x - Step 3: Cross multiply
239,054.05x = 358,466.73 × 139,242.70 - Step 4: Simplify right side
239,054.05x = 49,913,875,345.37 - Step 5: Solve for x
x = 49,913,875,345.37/239,054.05 - Step 6: Final answer
x = 208,797.45
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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.