Finding the Fourth Proportional to 249,648.55, 374,435.91 and 91,840.09
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Solution
The fourth proportional to 249,648.55, 374,435.91 and 91,840.09 is: 137,746.55
Step by Step Solution
- Step 1: Write the proportion equation
249,648.55 : 374,435.91 = 91,840.09 : x - Step 2: Convert to fraction form
249,648.55/374,435.91 = 91,840.09/x - Step 3: Cross multiply
249,648.55x = 374,435.91 × 91,840.09 - Step 4: Simplify right side
249,648.55x = 34,388,227,673.63 - Step 5: Solve for x
x = 34,388,227,673.63/249,648.55 - Step 6: Final answer
x = 137,746.55
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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.