Finding the Fourth Proportional to 875,120.06, 1,312,680.09 and 210,272.06
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Solution
The fourth proportional to 875,120.06, 1,312,680.09 and 210,272.06 is: 315,408.09
Step by Step Solution
- Step 1: Write the proportion equation
875,120.06 : 1,312,680.09 = 210,272.06 : x - Step 2: Convert to fraction form
875,120.06/1,312,680.09 = 210,272.06/x - Step 3: Cross multiply
875,120.06x = 1,312,680.09 × 210,272.06 - Step 4: Simplify right side
875,120.06x = 276,019,950,715.51 - Step 5: Solve for x
x = 276,019,950,715.51/875,120.06 - Step 6: Final answer
x = 315,408.09
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1.5x scale
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.