Finding the Fourth Proportional to 450,368.64, 621,504.08 and 249,166.08
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Solution
The fourth proportional to 450,368.64, 621,504.08 and 249,166.08 is: 343,846.62
Step by Step Solution
- Step 1: Write the proportion equation
450,368.64 : 621,504.08 = 249,166.08 : x - Step 2: Convert to fraction form
450,368.64/621,504.08 = 249,166.08/x - Step 3: Cross multiply
450,368.64x = 621,504.08 × 249,166.08 - Step 4: Simplify right side
450,368.64x = 154,857,735,317.61 - Step 5: Solve for x
x = 154,857,735,317.61/450,368.64 - Step 6: Final answer
x = 343,846.62
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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.