Finding the Fourth Proportional to 152,633.74, 210,635.18 and 84,657.06
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Solution
The fourth proportional to 152,633.74, 210,635.18 and 84,657.06 is: 116,827.09
Step by Step Solution
- Step 1: Write the proportion equation
152,633.74 : 210,635.18 = 84,657.06 : x - Step 2: Convert to fraction form
152,633.74/210,635.18 = 84,657.06/x - Step 3: Cross multiply
152,633.74x = 210,635.18 × 84,657.06 - Step 4: Simplify right side
152,633.74x = 17,831,755,071.37 - Step 5: Solve for x
x = 17,831,755,071.37/152,633.74 - Step 6: Final answer
x = 116,827.09
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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.