Finding the Fourth Proportional to 175,335.08, 241,931.68 and 103,688.96
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Solution
The fourth proportional to 175,335.08, 241,931.68 and 103,688.96 is: 143,072.59
Step by Step Solution
- Step 1: Write the proportion equation
175,335.08 : 241,931.68 = 103,688.96 : x - Step 2: Convert to fraction form
175,335.08/241,931.68 = 103,688.96/x - Step 3: Cross multiply
175,335.08x = 241,931.68 × 103,688.96 - Step 4: Simplify right side
175,335.08x = 25,085,644,290.25 - Step 5: Solve for x
x = 25,085,644,290.25/175,335.08 - Step 6: Final answer
x = 143,072.59
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1.5x scale
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.