Finding the Fourth Proportional to 368,658.24, 553,142.88 and 219,184.08
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Solution
The fourth proportional to 368,658.24, 553,142.88 and 219,184.08 is: 328,868.58
Step by Step Solution
- Step 1: Write the proportion equation
368,658.24 : 553,142.88 = 219,184.08 : x - Step 2: Convert to fraction form
368,658.24/553,142.88 = 219,184.08/x - Step 3: Cross multiply
368,658.24x = 553,142.88 × 219,184.08 - Step 4: Simplify right side
368,658.24x = 121,240,113,261.35 - Step 5: Solve for x
x = 121,240,113,261.35/368,658.24 - Step 6: Final answer
x = 328,868.58
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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.