Finding the Fourth Proportional to 637,281.66, 879,473.76 and 350,828.40
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Solution
The fourth proportional to 637,281.66, 879,473.76 and 350,828.40 is: 484,156.99
Step by Step Solution
- Step 1: Write the proportion equation
637,281.66 : 879,473.76 = 350,828.40 : x - Step 2: Convert to fraction form
637,281.66/879,473.76 = 350,828.40/x - Step 3: Cross multiply
637,281.66x = 879,473.76 × 350,828.40 - Step 4: Simplify right side
637,281.66x = 308,544,372,062.78 - Step 5: Solve for x
x = 308,544,372,062.78/637,281.66 - Step 6: Final answer
x = 484,156.99
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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.