Finding the Fourth Proportional to 549,006.18, 757,621.05 and 307,288.68
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Solution
The fourth proportional to 549,006.18, 757,621.05 and 307,288.68 is: 424,054.19
Step by Step Solution
- Step 1: Write the proportion equation
549,006.18 : 757,621.05 = 307,288.68 : x - Step 2: Convert to fraction form
549,006.18/757,621.05 = 307,288.68/x - Step 3: Cross multiply
549,006.18x = 757,621.05 × 307,288.68 - Step 4: Simplify right side
549,006.18x = 232,808,372,394.71 - Step 5: Solve for x
x = 232,808,372,394.71/549,006.18 - Step 6: Final answer
x = 424,054.19
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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.