Finding the Fourth Proportional to 307,775.59, 460,813.18 and 157,692.71
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Solution
The fourth proportional to 307,775.59, 460,813.18 and 157,692.71 is: 236,103.45
Step by Step Solution
- Step 1: Write the proportion equation
307,775.59 : 460,813.18 = 157,692.71 : x - Step 2: Convert to fraction form
307,775.59/460,813.18 = 157,692.71/x - Step 3: Cross multiply
307,775.59x = 460,813.18 × 157,692.71 - Step 4: Simplify right side
307,775.59x = 72,666,878,369.45 - Step 5: Solve for x
x = 72,666,878,369.45/307,775.59 - Step 6: Final answer
x = 236,103.45
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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.