Finding the Fourth Proportional to 249,046.31, 343,683.57 and 135,869.06
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Solution
The fourth proportional to 249,046.31, 343,683.57 and 135,869.06 is: 187,499.12
Step by Step Solution
- Step 1: Write the proportion equation
249,046.31 : 343,683.57 = 135,869.06 : x - Step 2: Convert to fraction form
249,046.31/343,683.57 = 135,869.06/x - Step 3: Cross multiply
249,046.31x = 343,683.57 × 135,869.06 - Step 4: Simplify right side
249,046.31x = 46,695,964,962.06 - Step 5: Solve for x
x = 46,695,964,962.06/249,046.31 - Step 6: Final answer
x = 187,499.12
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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.