Finding the Fourth Proportional to 458,497.41, 631,418.54 and 330,971.01
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Solution
The fourth proportional to 458,497.41, 631,418.54 and 330,971.01 is: 455,795.88
Step by Step Solution
- Step 1: Write the proportion equation
458,497.41 : 631,418.54 = 330,971.01 : x - Step 2: Convert to fraction form
458,497.41/631,418.54 = 330,971.01/x - Step 3: Cross multiply
458,497.41x = 631,418.54 × 330,971.01 - Step 4: Simplify right side
458,497.41x = 208,981,230,261.67 - Step 5: Solve for x
x = 208,981,230,261.67/458,497.41 - Step 6: Final answer
x = 455,795.88
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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.