Finding the Fourth Proportional to 165,143.93, 247,652.51 and 70,313.99
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Solution
The fourth proportional to 165,143.93, 247,652.51 and 70,313.99 is: 105,443.99
Step by Step Solution
- Step 1: Write the proportion equation
165,143.93 : 247,652.51 = 70,313.99 : x - Step 2: Convert to fraction form
165,143.93/247,652.51 = 70,313.99/x - Step 3: Cross multiply
165,143.93x = 247,652.51 × 70,313.99 - Step 4: Simplify right side
165,143.93x = 17,413,435,316.70 - Step 5: Solve for x
x = 17,413,435,316.70/165,143.93 - Step 6: Final answer
x = 105,443.99
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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.