Finding the Fourth Proportional to 408,737.20, 564,106.44 and 247,587.52
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Solution
The fourth proportional to 408,737.20, 564,106.44 and 247,587.52 is: 341,700.52
Step by Step Solution
- Step 1: Write the proportion equation
408,737.20 : 564,106.44 = 247,587.52 : x - Step 2: Convert to fraction form
408,737.20/564,106.44 = 247,587.52/x - Step 3: Cross multiply
408,737.20x = 564,106.44 × 247,587.52 - Step 4: Simplify right side
408,737.20x = 139,665,714,495.63 - Step 5: Solve for x
x = 139,665,714,495.63/408,737.20 - Step 6: Final answer
x = 341,700.52
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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.