Finding the Fourth Proportional to 313,090.64, 432,371.99 and 216,541.88
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Solution
The fourth proportional to 313,090.64, 432,371.99 and 216,541.88 is: 299,040.06
Step by Step Solution
- Step 1: Write the proportion equation
313,090.64 : 432,371.99 = 216,541.88 : x - Step 2: Convert to fraction form
313,090.64/432,371.99 = 216,541.88/x - Step 3: Cross multiply
313,090.64x = 432,371.99 × 216,541.88 - Step 4: Simplify right side
313,090.64x = 93,626,643,573.94 - Step 5: Solve for x
x = 93,626,643,573.94/313,090.64 - Step 6: Final answer
x = 299,040.06
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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.