Finding the Fourth Proportional to 376,709.49, 519,995.60 and 249,426.09
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Solution
The fourth proportional to 376,709.49, 519,995.60 and 249,426.09 is: 344,298.38
Step by Step Solution
- Step 1: Write the proportion equation
376,709.49 : 519,995.60 = 249,426.09 : x - Step 2: Convert to fraction form
376,709.49/519,995.60 = 249,426.09/x - Step 3: Cross multiply
376,709.49x = 519,995.60 × 249,426.09 - Step 4: Simplify right side
376,709.49x = 129,700,468,078.07 - Step 5: Solve for x
x = 129,700,468,078.07/376,709.49 - Step 6: Final answer
x = 344,298.38
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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.