Finding the Fourth Proportional to 339,745.05, 508,508.65 and 249,763.94
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Solution
The fourth proportional to 339,745.05, 508,508.65 and 249,763.94 is: 373,830.68
Step by Step Solution
- Step 1: Write the proportion equation
339,745.05 : 508,508.65 = 249,763.94 : x - Step 2: Convert to fraction form
339,745.05/508,508.65 = 249,763.94/x - Step 3: Cross multiply
339,745.05x = 508,508.65 × 249,763.94 - Step 4: Simplify right side
339,745.05x = 127,007,123,948.08 - Step 5: Solve for x
x = 127,007,123,948.08/339,745.05 - Step 6: Final answer
x = 373,830.68
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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.