Finding the Fourth Proportional to 456,918.84, 630,547.92 and 255,714.84
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Solution
The fourth proportional to 456,918.84, 630,547.92 and 255,714.84 is: 352,886.43
Step by Step Solution
- Step 1: Write the proportion equation
456,918.84 : 630,547.92 = 255,714.84 : x - Step 2: Convert to fraction form
456,918.84/630,547.92 = 255,714.84/x - Step 3: Cross multiply
456,918.84x = 630,547.92 × 255,714.84 - Step 4: Simplify right side
456,918.84x = 161,240,460,475.13 - Step 5: Solve for x
x = 161,240,460,475.13/456,918.84 - Step 6: Final answer
x = 352,886.43
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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.