Finding the Fourth Proportional to 357,078.86, 492,544.44 and 249,609.68
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Solution
The fourth proportional to 357,078.86, 492,544.44 and 249,609.68 is: 344,304.50
Step by Step Solution
- Step 1: Write the proportion equation
357,078.86 : 492,544.44 = 249,609.68 : x - Step 2: Convert to fraction form
357,078.86/492,544.44 = 249,609.68/x - Step 3: Cross multiply
357,078.86x = 492,544.44 × 249,609.68 - Step 4: Simplify right side
357,078.86x = 122,943,860,054.18 - Step 5: Solve for x
x = 122,943,860,054.18/357,078.86 - Step 6: Final answer
x = 344,304.50
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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.