Finding the Fourth Proportional to 314,443.89, 433,943.12 and 176,646.99
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Solution
The fourth proportional to 314,443.89, 433,943.12 and 176,646.99 is: 243,778.78
Step by Step Solution
- Step 1: Write the proportion equation
314,443.89 : 433,943.12 = 176,646.99 : x - Step 2: Convert to fraction form
314,443.89/433,943.12 = 176,646.99/x - Step 3: Cross multiply
314,443.89x = 433,943.12 × 176,646.99 - Step 4: Simplify right side
314,443.89x = 76,654,748,048.11 - Step 5: Solve for x
x = 76,654,748,048.11/314,443.89 - Step 6: Final answer
x = 243,778.78
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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.