Finding the Fourth Proportional to 385,595.19, 577,386.75 and 310,304.07
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Solution
The fourth proportional to 385,595.19, 577,386.75 and 310,304.07 is: 464,646.51
Step by Step Solution
- Step 1: Write the proportion equation
385,595.19 : 577,386.75 = 310,304.07 : x - Step 2: Convert to fraction form
385,595.19/577,386.75 = 310,304.07/x - Step 3: Cross multiply
385,595.19x = 577,386.75 × 310,304.07 - Step 4: Simplify right side
385,595.19x = 179,165,458,489.07 - Step 5: Solve for x
x = 179,165,458,489.07/385,595.19 - Step 6: Final answer
x = 464,646.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.