Finding the Fourth Proportional to 372,303.08, 513,763.22 and 202,537.88
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Solution
The fourth proportional to 372,303.08, 513,763.22 and 202,537.88 is: 279,494.10
Step by Step Solution
- Step 1: Write the proportion equation
372,303.08 : 513,763.22 = 202,537.88 : x - Step 2: Convert to fraction form
372,303.08/513,763.22 = 202,537.88/x - Step 3: Cross multiply
372,303.08x = 513,763.22 × 202,537.88 - Step 4: Simplify right side
372,303.08x = 104,056,513,400.77 - Step 5: Solve for x
x = 104,056,513,400.77/372,303.08 - Step 6: Final answer
x = 279,494.10
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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.