Finding the Fourth Proportional to 749,363.58, 1,124,055.72 and 243,927.12
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Solution
The fourth proportional to 749,363.58, 1,124,055.72 and 243,927.12 is: 365,894.05
Step by Step Solution
- Step 1: Write the proportion equation
749,363.58 : 1,124,055.72 = 243,927.12 : x - Step 2: Convert to fraction form
749,363.58/1,124,055.72 = 243,927.12/x - Step 3: Cross multiply
749,363.58x = 1,124,055.72 × 243,927.12 - Step 4: Simplify right side
749,363.58x = 274,187,674,499.13 - Step 5: Solve for x
x = 274,187,674,499.13/749,363.58 - Step 6: Final answer
x = 365,894.05
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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.