Finding the Fourth Proportional to 153,679.24, 230,526.06 and 74,699.32
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Solution
The fourth proportional to 153,679.24, 230,526.06 and 74,699.32 is: 112,052.48
Step by Step Solution
- Step 1: Write the proportion equation
153,679.24 : 230,526.06 = 74,699.32 : x - Step 2: Convert to fraction form
153,679.24/230,526.06 = 74,699.32/x - Step 3: Cross multiply
153,679.24x = 230,526.06 × 74,699.32 - Step 4: Simplify right side
153,679.24x = 17,220,139,924.28 - Step 5: Solve for x
x = 17,220,139,924.28/153,679.24 - Step 6: Final answer
x = 112,052.48
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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.