Finding the Fourth Proportional to 375,243.84, 563,073.56 and 138,741.68
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Solution
The fourth proportional to 375,243.84, 563,073.56 and 138,741.68 is: 208,189.35
Step by Step Solution
- Step 1: Write the proportion equation
375,243.84 : 563,073.56 = 138,741.68 : x - Step 2: Convert to fraction form
375,243.84/563,073.56 = 138,741.68/x - Step 3: Cross multiply
375,243.84x = 563,073.56 × 138,741.68 - Step 4: Simplify right side
375,243.84x = 78,121,771,677.98 - Step 5: Solve for x
x = 78,121,771,677.98/375,243.84 - Step 6: Final answer
x = 208,189.35
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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.