Finding the Fourth Proportional to 633,545.22, 874,355.13 and 361,653.99
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Solution
The fourth proportional to 633,545.22, 874,355.13 and 361,653.99 is: 499,118.31
Step by Step Solution
- Step 1: Write the proportion equation
633,545.22 : 874,355.13 = 361,653.99 : x - Step 2: Convert to fraction form
633,545.22/874,355.13 = 361,653.99/x - Step 3: Cross multiply
633,545.22x = 874,355.13 × 361,653.99 - Step 4: Simplify right side
633,545.22x = 316,214,021,441.47 - Step 5: Solve for x
x = 316,214,021,441.47/633,545.22 - Step 6: Final answer
x = 499,118.31
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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.