Finding the Fourth Proportional to 98,248.74, 135,583.23 and 53,536.74
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Solution
The fourth proportional to 98,248.74, 135,583.23 and 53,536.74 is: 73,880.68
Step by Step Solution
- Step 1: Write the proportion equation
98,248.74 : 135,583.23 = 53,536.74 : x - Step 2: Convert to fraction form
98,248.74/135,583.23 = 53,536.74/x - Step 3: Cross multiply
98,248.74x = 135,583.23 × 53,536.74 - Step 4: Simplify right side
98,248.74x = 7,258,684,132.87 - Step 5: Solve for x
x = 7,258,684,132.87/98,248.74 - Step 6: Final answer
x = 73,880.68
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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.