Finding the Fourth Proportional to 324,643.74, 486,973.91 and 153,825.37
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Solution
The fourth proportional to 324,643.74, 486,973.91 and 153,825.37 is: 230,741.99
Step by Step Solution
- Step 1: Write the proportion equation
324,643.74 : 486,973.91 = 153,825.37 : x - Step 2: Convert to fraction form
324,643.74/486,973.91 = 153,825.37/x - Step 3: Cross multiply
324,643.74x = 486,973.91 × 153,825.37 - Step 4: Simplify right side
324,643.74x = 74,908,941,886.10 - Step 5: Solve for x
x = 74,908,941,886.10/324,643.74 - Step 6: Final answer
x = 230,741.99
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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.