Finding the Fourth Proportional to 649,257.40, 973,425.30 and 249,743.80
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Solution
The fourth proportional to 649,257.40, 973,425.30 and 249,743.80 is: 374,438.45
Step by Step Solution
- Step 1: Write the proportion equation
649,257.40 : 973,425.30 = 249,743.80 : x - Step 2: Convert to fraction form
649,257.40/973,425.30 = 249,743.80/x - Step 3: Cross multiply
649,257.40x = 973,425.30 × 249,743.80 - Step 4: Simplify right side
649,257.40x = 243,106,933,438.14 - Step 5: Solve for x
x = 243,106,933,438.14/649,257.40 - Step 6: Final answer
x = 374,438.45
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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.