Finding the Fourth Proportional to 633,669.08, 874,444.52 and 361,730.21
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Solution
The fourth proportional to 633,669.08, 874,444.52 and 361,730.21 is: 499,176.95
Step by Step Solution
- Step 1: Write the proportion equation
633,669.08 : 874,444.52 = 361,730.21 : x - Step 2: Convert to fraction form
633,669.08/874,444.52 = 361,730.21/x - Step 3: Cross multiply
633,669.08x = 874,444.52 × 361,730.21 - Step 4: Simplify right side
633,669.08x = 316,312,997,214.68 - Step 5: Solve for x
x = 316,312,997,214.68/633,669.08 - Step 6: Final answer
x = 499,176.95
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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.