Finding the Fourth Proportional to 495,307.18, 742,442.22 and 207,283.84
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Solution
The fourth proportional to 495,307.18, 742,442.22 and 207,283.84 is: 310,708.75
Step by Step Solution
- Step 1: Write the proportion equation
495,307.18 : 742,442.22 = 207,283.84 : x - Step 2: Convert to fraction form
495,307.18/742,442.22 = 207,283.84/x - Step 3: Cross multiply
495,307.18x = 742,442.22 × 207,283.84 - Step 4: Simplify right side
495,307.18x = 153,896,273,303.31 - Step 5: Solve for x
x = 153,896,273,303.31/495,307.18 - Step 6: Final answer
x = 310,708.75
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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.