Finding the Fourth Proportional to 368,412.30, 552,294.45 and 249,698.70
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Solution
The fourth proportional to 368,412.30, 552,294.45 and 249,698.70 is: 374,328.45
Step by Step Solution
- Step 1: Write the proportion equation
368,412.30 : 552,294.45 = 249,698.70 : x - Step 2: Convert to fraction form
368,412.30/552,294.45 = 249,698.70/x - Step 3: Cross multiply
368,412.30x = 552,294.45 × 249,698.70 - Step 4: Simplify right side
368,412.30x = 137,907,206,182.22 - Step 5: Solve for x
x = 137,907,206,182.22/368,412.30 - Step 6: Final answer
x = 374,328.45
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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.