Finding the Fourth Proportional to 456,689.84, 630,233.18 and 252,754.82
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Solution
The fourth proportional to 456,689.84, 630,233.18 and 252,754.82 is: 348,802.32
Step by Step Solution
- Step 1: Write the proportion equation
456,689.84 : 630,233.18 = 252,754.82 : x - Step 2: Convert to fraction form
456,689.84/630,233.18 = 252,754.82/x - Step 3: Cross multiply
456,689.84x = 630,233.18 × 252,754.82 - Step 4: Simplify right side
456,689.84x = 159,294,473,968.93 - Step 5: Solve for x
x = 159,294,473,968.93/456,689.84 - Step 6: Final answer
x = 348,802.32
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1.5x scale
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.