Finding the Fourth Proportional to 552,322.08, 762,193.08 and 307,301.40
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Solution
The fourth proportional to 552,322.08, 762,193.08 and 307,301.40 is: 424,069.59
Step by Step Solution
- Step 1: Write the proportion equation
552,322.08 : 762,193.08 = 307,301.40 : x - Step 2: Convert to fraction form
552,322.08/762,193.08 = 307,301.40/x - Step 3: Cross multiply
552,322.08x = 762,193.08 × 307,301.40 - Step 4: Simplify right side
552,322.08x = 234,223,000,554.31 - Step 5: Solve for x
x = 234,223,000,554.31/552,322.08 - Step 6: Final answer
x = 424,069.59
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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.