Finding the Fourth Proportional to 343,595.16, 515,392.68 and 201,656.40
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Solution
The fourth proportional to 343,595.16, 515,392.68 and 201,656.40 is: 302,484.56
Step by Step Solution
- Step 1: Write the proportion equation
343,595.16 : 515,392.68 = 201,656.40 : x - Step 2: Convert to fraction form
343,595.16/515,392.68 = 201,656.40/x - Step 3: Cross multiply
343,595.16x = 515,392.68 × 201,656.40 - Step 4: Simplify right side
343,595.16x = 103,932,232,435.15 - Step 5: Solve for x
x = 103,932,232,435.15/343,595.16 - Step 6: Final answer
x = 302,484.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.