Finding the Fourth Proportional to 555,276.99, 832,966.32 and 155,915.07
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Solution
The fourth proportional to 555,276.99, 832,966.32 and 155,915.07 is: 233,886.88
Step by Step Solution
- Step 1: Write the proportion equation
555,276.99 : 832,966.32 = 155,915.07 : x - Step 2: Convert to fraction form
555,276.99/832,966.32 = 155,915.07/x - Step 3: Cross multiply
555,276.99x = 832,966.32 × 155,915.07 - Step 4: Simplify right side
555,276.99x = 129,872,002,090.44 - Step 5: Solve for x
x = 129,872,002,090.44/555,276.99 - Step 6: Final answer
x = 233,886.88
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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.