Finding the Fourth Proportional to 495,177.84, 683,662.95 and 340,386.54
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Solution
The fourth proportional to 495,177.84, 683,662.95 and 340,386.54 is: 469,951.70
Step by Step Solution
- Step 1: Write the proportion equation
495,177.84 : 683,662.95 = 340,386.54 : x - Step 2: Convert to fraction form
495,177.84/683,662.95 = 340,386.54/x - Step 3: Cross multiply
495,177.84x = 683,662.95 × 340,386.54 - Step 4: Simplify right side
495,177.84x = 232,709,666,076.69 - Step 5: Solve for x
x = 232,709,666,076.69/495,177.84 - Step 6: Final answer
x = 469,951.70
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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.