Finding the Fourth Proportional to 368,486.76, 508,573.62 and 213,415.32
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Solution
The fourth proportional to 368,486.76, 508,573.62 and 213,415.32 is: 294,548.99
Step by Step Solution
- Step 1: Write the proportion equation
368,486.76 : 508,573.62 = 213,415.32 : x - Step 2: Convert to fraction form
368,486.76/508,573.62 = 213,415.32/x - Step 3: Cross multiply
368,486.76x = 508,573.62 × 213,415.32 - Step 4: Simplify right side
368,486.76x = 108,537,401,855.86 - Step 5: Solve for x
x = 108,537,401,855.86/368,486.76 - Step 6: Final answer
x = 294,548.99
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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.