Finding the Fourth Proportional to 236,830.90, 355,246.35 and 205,035.70
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Solution
The fourth proportional to 236,830.90, 355,246.35 and 205,035.70 is: 307,553.55
Step by Step Solution
- Step 1: Write the proportion equation
236,830.90 : 355,246.35 = 205,035.70 : x - Step 2: Convert to fraction form
236,830.90/355,246.35 = 205,035.70/x - Step 3: Cross multiply
236,830.90x = 355,246.35 × 205,035.70 - Step 4: Simplify right side
236,830.90x = 72,838,184,044.70 - Step 5: Solve for x
x = 72,838,184,044.70/236,830.90 - Step 6: Final answer
x = 307,553.55
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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.