Finding the Fourth Proportional to 273,886.74, 377,926.08 and 153,013.02
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Solution
The fourth proportional to 273,886.74, 377,926.08 and 153,013.02 is: 211,136.95
Step by Step Solution
- Step 1: Write the proportion equation
273,886.74 : 377,926.08 = 153,013.02 : x - Step 2: Convert to fraction form
273,886.74/377,926.08 = 153,013.02/x - Step 3: Cross multiply
273,886.74x = 377,926.08 × 153,013.02 - Step 4: Simplify right side
273,886.74x = 57,827,610,837.56 - Step 5: Solve for x
x = 57,827,610,837.56/273,886.74 - Step 6: Final answer
x = 211,136.95
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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.