Finding the Fourth Proportional to 249,698.23, 374,584.64 and 91,914.68
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Solution
The fourth proportional to 249,698.23, 374,584.64 and 91,914.68 is: 137,885.75
Step by Step Solution
- Step 1: Write the proportion equation
249,698.23 : 374,584.64 = 91,914.68 : x - Step 2: Convert to fraction form
249,698.23/374,584.64 = 91,914.68/x - Step 3: Cross multiply
249,698.23x = 374,584.64 × 91,914.68 - Step 4: Simplify right side
249,698.23x = 34,429,827,795.40 - Step 5: Solve for x
x = 34,429,827,795.40/249,698.23 - Step 6: Final answer
x = 137,885.75
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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.