Finding the Fourth Proportional to 330,545.95, 455,997.61 and 239,702.63
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Solution
The fourth proportional to 330,545.95, 455,997.61 and 239,702.63 is: 330,676.65
Step by Step Solution
- Step 1: Write the proportion equation
330,545.95 : 455,997.61 = 239,702.63 : x - Step 2: Convert to fraction form
330,545.95/455,997.61 = 239,702.63/x - Step 3: Cross multiply
330,545.95x = 455,997.61 × 239,702.63 - Step 4: Simplify right side
330,545.95x = 109,303,826,390.71 - Step 5: Solve for x
x = 109,303,826,390.71/330,545.95 - Step 6: Final answer
x = 330,676.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.