Finding the Fourth Proportional to 234,473.68, 323,455.71 and 153,890.02
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Solution
The fourth proportional to 234,473.68, 323,455.71 and 153,890.02 is: 212,290.80
Step by Step Solution
- Step 1: Write the proportion equation
234,473.68 : 323,455.71 = 153,890.02 : x - Step 2: Convert to fraction form
234,473.68/323,455.71 = 153,890.02/x - Step 3: Cross multiply
234,473.68x = 323,455.71 × 153,890.02 - Step 4: Simplify right side
234,473.68x = 49,776,605,681.01 - Step 5: Solve for x
x = 49,776,605,681.01/234,473.68 - Step 6: Final answer
x = 212,290.80
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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.