Finding the Fourth Proportional to 385,132.49, 531,303.91 and 249,210.27
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Solution
The fourth proportional to 385,132.49, 531,303.91 and 249,210.27 is: 343,794.39
Step by Step Solution
- Step 1: Write the proportion equation
385,132.49 : 531,303.91 = 249,210.27 : x - Step 2: Convert to fraction form
385,132.49/531,303.91 = 249,210.27/x - Step 3: Cross multiply
385,132.49x = 531,303.91 × 249,210.27 - Step 4: Simplify right side
385,132.49x = 132,406,390,240.13 - Step 5: Solve for x
x = 132,406,390,240.13/385,132.49 - Step 6: Final answer
x = 343,794.39
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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.