Finding the Fourth Proportional to 249,032.48, 343,670.28 and 135,855.14
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Solution
The fourth proportional to 249,032.48, 343,670.28 and 135,855.14 is: 187,483.07
Step by Step Solution
- Step 1: Write the proportion equation
249,032.48 : 343,670.28 = 135,855.14 : x - Step 2: Convert to fraction form
249,032.48/343,670.28 = 135,855.14/x - Step 3: Cross multiply
249,032.48x = 343,670.28 × 135,855.14 - Step 4: Simplify right side
249,032.48x = 46,689,374,003.24 - Step 5: Solve for x
x = 46,689,374,003.24/249,032.48 - Step 6: Final answer
x = 187,483.07
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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.