Finding the Fourth Proportional to 368,639.24, 553,114.38 and 219,165.08
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Solution
The fourth proportional to 368,639.24, 553,114.38 and 219,165.08 is: 328,840.08
Step by Step Solution
- Step 1: Write the proportion equation
368,639.24 : 553,114.38 = 219,165.08 : x - Step 2: Convert to fraction form
368,639.24/553,114.38 = 219,165.08/x - Step 3: Cross multiply
368,639.24x = 553,114.38 × 219,165.08 - Step 4: Simplify right side
368,639.24x = 121,223,357,341.85 - Step 5: Solve for x
x = 121,223,357,341.85/368,639.24 - Step 6: Final answer
x = 328,840.08
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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.