Finding the Fourth Proportional to 638,547.96, 881,203.08 and 348,157.14
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Solution
The fourth proportional to 638,547.96, 881,203.08 and 348,157.14 is: 480,460.61
Step by Step Solution
- Step 1: Write the proportion equation
638,547.96 : 881,203.08 = 348,157.14 : x - Step 2: Convert to fraction form
638,547.96/881,203.08 = 348,157.14/x - Step 3: Cross multiply
638,547.96x = 881,203.08 × 348,157.14 - Step 4: Simplify right side
638,547.96x = 306,797,144,091.99 - Step 5: Solve for x
x = 306,797,144,091.99/638,547.96 - Step 6: Final answer
x = 480,460.61
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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.