Finding the Fourth Proportional to 249,774.60, 374,532.30 and 91,921.80
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Solution
The fourth proportional to 249,774.60, 374,532.30 and 91,921.80 is: 137,835.00
Step by Step Solution
- Step 1: Write the proportion equation
249,774.60 : 374,532.30 = 91,921.80 : x - Step 2: Convert to fraction form
249,774.60/374,532.30 = 91,921.80/x - Step 3: Cross multiply
249,774.60x = 374,532.30 × 91,921.80 - Step 4: Simplify right side
249,774.60x = 34,427,683,174.14 - Step 5: Solve for x
x = 34,427,683,174.14/249,774.60 - Step 6: Final answer
x = 137,835.00
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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.