Finding the Fourth Proportional to 458,642.21, 632,904.91 and 254,706.08
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Solution
The fourth proportional to 458,642.21, 632,904.91 and 254,706.08 is: 351,482.53
Step by Step Solution
- Step 1: Write the proportion equation
458,642.21 : 632,904.91 = 254,706.08 : x - Step 2: Convert to fraction form
458,642.21/632,904.91 = 254,706.08/x - Step 3: Cross multiply
458,642.21x = 632,904.91 × 254,706.08 - Step 4: Simplify right side
458,642.21x = 161,204,724,837.56 - Step 5: Solve for x
x = 161,204,724,837.56/458,642.21 - Step 6: Final answer
x = 351,482.53
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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.