Finding the Fourth Proportional to 266,958.18, 368,277.84 and 153,715.32
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Solution
The fourth proportional to 266,958.18, 368,277.84 and 153,715.32 is: 212,055.48
Step by Step Solution
- Step 1: Write the proportion equation
266,958.18 : 368,277.84 = 153,715.32 : x - Step 2: Convert to fraction form
266,958.18/368,277.84 = 153,715.32/x - Step 3: Cross multiply
266,958.18x = 368,277.84 × 153,715.32 - Step 4: Simplify right side
266,958.18x = 56,609,946,024.51 - Step 5: Solve for x
x = 56,609,946,024.51/266,958.18 - Step 6: Final answer
x = 212,055.48
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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.