Finding the Fourth Proportional to 376,698.99, 519,981.09 and 249,415.59
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Solution
The fourth proportional to 376,698.99, 519,981.09 and 249,415.59 is: 344,283.88
Step by Step Solution
- Step 1: Write the proportion equation
376,698.99 : 519,981.09 = 249,415.59 : x - Step 2: Convert to fraction form
376,698.99/519,981.09 = 249,415.59/x - Step 3: Cross multiply
376,698.99x = 519,981.09 × 249,415.59 - Step 4: Simplify right side
376,698.99x = 129,691,390,351.19 - Step 5: Solve for x
x = 129,691,390,351.19/376,698.99 - Step 6: Final answer
x = 344,283.88
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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.