Finding the Fourth Proportional to 257,615.02, 355,345.14 and 186,100.12
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Solution
The fourth proportional to 257,615.02, 355,345.14 and 186,100.12 is: 256,699.99
Step by Step Solution
- Step 1: Write the proportion equation
257,615.02 : 355,345.14 = 186,100.12 : x - Step 2: Convert to fraction form
257,615.02/355,345.14 = 186,100.12/x - Step 3: Cross multiply
257,615.02x = 355,345.14 × 186,100.12 - Step 4: Simplify right side
257,615.02x = 66,129,773,195.42 - Step 5: Solve for x
x = 66,129,773,195.42/257,615.02 - Step 6: Final answer
x = 256,699.99
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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.