Finding the Fourth Proportional to 403,010.07, 556,158.54 and 230,924.63
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Solution
The fourth proportional to 403,010.07, 556,158.54 and 230,924.63 is: 318,678.64
Step by Step Solution
- Step 1: Write the proportion equation
403,010.07 : 556,158.54 = 230,924.63 : x - Step 2: Convert to fraction form
403,010.07/556,158.54 = 230,924.63/x - Step 3: Cross multiply
403,010.07x = 556,158.54 × 230,924.63 - Step 4: Simplify right side
403,010.07x = 128,430,702,290.05 - Step 5: Solve for x
x = 128,430,702,290.05/403,010.07 - Step 6: Final answer
x = 318,678.64
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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.