Finding the Fourth Proportional to 251,349.08, 346,852.92 and 138,171.02
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Solution
The fourth proportional to 251,349.08, 346,852.92 and 138,171.02 is: 190,671.16
Step by Step Solution
- Step 1: Write the proportion equation
251,349.08 : 346,852.92 = 138,171.02 : x - Step 2: Convert to fraction form
251,349.08/346,852.92 = 138,171.02/x - Step 3: Cross multiply
251,349.08x = 346,852.92 × 138,171.02 - Step 4: Simplify right side
251,349.08x = 47,925,021,746.38 - Step 5: Solve for x
x = 47,925,021,746.38/251,349.08 - Step 6: Final answer
x = 190,671.16
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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.