Finding the Fourth Proportional to 339,501.84, 509,307.84 and 114,876.08
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Solution
The fourth proportional to 339,501.84, 509,307.84 and 114,876.08 is: 172,332.76
Step by Step Solution
- Step 1: Write the proportion equation
339,501.84 : 509,307.84 = 114,876.08 : x - Step 2: Convert to fraction form
339,501.84/509,307.84 = 114,876.08/x - Step 3: Cross multiply
339,501.84x = 509,307.84 × 114,876.08 - Step 4: Simplify right side
339,501.84x = 58,507,288,172.47 - Step 5: Solve for x
x = 58,507,288,172.47/339,501.84 - Step 6: Final answer
x = 172,332.76
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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.