Finding the Fourth Proportional to 495,509.14, 683,151.60 and 357,572.08
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Solution
The fourth proportional to 495,509.14, 683,151.60 and 357,572.08 is: 492,979.68
Step by Step Solution
- Step 1: Write the proportion equation
495,509.14 : 683,151.60 = 357,572.08 : x - Step 2: Convert to fraction form
495,509.14/683,151.60 = 357,572.08/x - Step 3: Cross multiply
495,509.14x = 683,151.60 × 357,572.08 - Step 4: Simplify right side
495,509.14x = 244,275,938,567.33 - Step 5: Solve for x
x = 244,275,938,567.33/495,509.14 - Step 6: Final answer
x = 492,979.68
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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.