Finding the Fourth Proportional to 98,910.48, 148,372.50 and 39,746.06
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Solution
The fourth proportional to 98,910.48, 148,372.50 and 39,746.06 is: 59,621.81
Step by Step Solution
- Step 1: Write the proportion equation
98,910.48 : 148,372.50 = 39,746.06 : x - Step 2: Convert to fraction form
98,910.48/148,372.50 = 39,746.06/x - Step 3: Cross multiply
98,910.48x = 148,372.50 × 39,746.06 - Step 4: Simplify right side
98,910.48x = 5,897,221,545.49 - Step 5: Solve for x
x = 5,897,221,545.49/98,910.48 - Step 6: Final answer
x = 59,621.81
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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.