Finding the Fourth Proportional to 210,483.84, 290,381.64 and 155,425.08
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Solution
The fourth proportional to 210,483.84, 290,381.64 and 155,425.08 is: 214,423.06
Step by Step Solution
- Step 1: Write the proportion equation
210,483.84 : 290,381.64 = 155,425.08 : x - Step 2: Convert to fraction form
210,483.84/290,381.64 = 155,425.08/x - Step 3: Cross multiply
210,483.84x = 290,381.64 × 155,425.08 - Step 4: Simplify right side
210,483.84x = 45,132,589,627.53 - Step 5: Solve for x
x = 45,132,589,627.53/210,483.84 - Step 6: Final answer
x = 214,423.06
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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.