Finding the Fourth Proportional to 473,487.12, 653,431.44 and 272,283.12
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Solution
The fourth proportional to 473,487.12, 653,431.44 and 272,283.12 is: 375,761.76
Step by Step Solution
- Step 1: Write the proportion equation
473,487.12 : 653,431.44 = 272,283.12 : x - Step 2: Convert to fraction form
473,487.12/653,431.44 = 272,283.12/x - Step 3: Cross multiply
473,487.12x = 653,431.44 × 272,283.12 - Step 4: Simplify right side
473,487.12x = 177,918,351,189.29 - Step 5: Solve for x
x = 177,918,351,189.29/473,487.12 - Step 6: Final answer
x = 375,761.76
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1.5x scale
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.