Finding the Fourth Proportional to 152,326.12, 210,216.60 and 84,343.08
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Solution
The fourth proportional to 152,326.12, 210,216.60 and 84,343.08 is: 116,397.08
Step by Step Solution
- Step 1: Write the proportion equation
152,326.12 : 210,216.60 = 84,343.08 : x - Step 2: Convert to fraction form
152,326.12/210,216.60 = 84,343.08/x - Step 3: Cross multiply
152,326.12x = 210,216.60 × 84,343.08 - Step 4: Simplify right side
152,326.12x = 17,730,315,511.13 - Step 5: Solve for x
x = 17,730,315,511.13/152,326.12 - Step 6: Final answer
x = 116,397.08
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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.