Finding the Fourth Proportional to 451,928.84, 623,681.34 and 270,670.28
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Solution
The fourth proportional to 451,928.84, 623,681.34 and 270,670.28 is: 373,536.69
Step by Step Solution
- Step 1: Write the proportion equation
451,928.84 : 623,681.34 = 270,670.28 : x - Step 2: Convert to fraction form
451,928.84/623,681.34 = 270,670.28/x - Step 3: Cross multiply
451,928.84x = 623,681.34 × 270,670.28 - Step 4: Simplify right side
451,928.84x = 168,812,002,928.58 - Step 5: Solve for x
x = 168,812,002,928.58/451,928.84 - Step 6: Final answer
x = 373,536.69
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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.