Finding the Fourth Proportional to 516,432.48, 773,948.16 and 249,661.68
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Solution
The fourth proportional to 516,432.48, 773,948.16 and 249,661.68 is: 374,153.84
Step by Step Solution
- Step 1: Write the proportion equation
516,432.48 : 773,948.16 = 249,661.68 : x - Step 2: Convert to fraction form
516,432.48/773,948.16 = 249,661.68/x - Step 3: Cross multiply
516,432.48x = 773,948.16 × 249,661.68 - Step 4: Simplify right side
516,432.48x = 193,225,197,858.51 - Step 5: Solve for x
x = 193,225,197,858.51/516,432.48 - Step 6: Final answer
x = 374,153.84
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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.