Finding the Fourth Proportional to 152,261.07, 210,113.65 and 84,273.99
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Solution
The fourth proportional to 152,261.07, 210,113.65 and 84,273.99 is: 116,294.44
Step by Step Solution
- Step 1: Write the proportion equation
152,261.07 : 210,113.65 = 84,273.99 : x - Step 2: Convert to fraction form
152,261.07/210,113.65 = 84,273.99/x - Step 3: Cross multiply
152,261.07x = 210,113.65 × 84,273.99 - Step 4: Simplify right side
152,261.07x = 17,707,115,638.96 - Step 5: Solve for x
x = 17,707,115,638.96/152,261.07 - Step 6: Final answer
x = 116,294.44
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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.