Finding the Fourth Proportional to 152,266.84, 209,988.62 and 130,749.26
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Solution
The fourth proportional to 152,266.84, 209,988.62 and 130,749.26 is: 180,314.09
Step by Step Solution
- Step 1: Write the proportion equation
152,266.84 : 209,988.62 = 130,749.26 : x - Step 2: Convert to fraction form
152,266.84/209,988.62 = 130,749.26/x - Step 3: Cross multiply
152,266.84x = 209,988.62 × 130,749.26 - Step 4: Simplify right side
152,266.84x = 27,455,856,673.42 - Step 5: Solve for x
x = 27,455,856,673.42/152,266.84 - Step 6: Final answer
x = 180,314.09
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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.