Finding the Fourth Proportional to 309,304.79, 463,957.44 and 84,667.09
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Solution
The fourth proportional to 309,304.79, 463,957.44 and 84,667.09 is: 127,000.70
Step by Step Solution
- Step 1: Write the proportion equation
309,304.79 : 463,957.44 = 84,667.09 : x - Step 2: Convert to fraction form
309,304.79/463,957.44 = 84,667.09/x - Step 3: Cross multiply
309,304.79x = 463,957.44 × 84,667.09 - Step 4: Simplify right side
309,304.79x = 39,281,924,008.86 - Step 5: Solve for x
x = 39,281,924,008.86/309,304.79 - Step 6: Final answer
x = 127,000.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.