Finding the Fourth Proportional to 837,167.08, 1,155,282.18 and 455,193.88
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Solution
The fourth proportional to 837,167.08, 1,155,282.18 and 455,193.88 is: 628,162.99
Step by Step Solution
- Step 1: Write the proportion equation
837,167.08 : 1,155,282.18 = 455,193.88 : x - Step 2: Convert to fraction form
837,167.08/1,155,282.18 = 455,193.88/x - Step 3: Cross multiply
837,167.08x = 1,155,282.18 × 455,193.88 - Step 4: Simplify right side
837,167.08x = 525,877,378,009.06 - Step 5: Solve for x
x = 525,877,378,009.06/837,167.08 - Step 6: Final answer
x = 628,162.99
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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.