Finding the Fourth Proportional to 399,692.93, 551,572.08 and 225,246.88
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Solution
The fourth proportional to 399,692.93, 551,572.08 and 225,246.88 is: 310,838.34
Step by Step Solution
- Step 1: Write the proportion equation
399,692.93 : 551,572.08 = 225,246.88 : x - Step 2: Convert to fraction form
399,692.93/551,572.08 = 225,246.88/x - Step 3: Cross multiply
399,692.93x = 551,572.08 × 225,246.88 - Step 4: Simplify right side
399,692.93x = 124,239,887,357.25 - Step 5: Solve for x
x = 124,239,887,357.25/399,692.93 - Step 6: Final answer
x = 310,838.34
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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.