Finding the Fourth Proportional to 305,483.70, 458,225.55 and 266,117.70
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Solution
The fourth proportional to 305,483.70, 458,225.55 and 266,117.70 is: 399,176.55
Step by Step Solution
- Step 1: Write the proportion equation
305,483.70 : 458,225.55 = 266,117.70 : x - Step 2: Convert to fraction form
305,483.70/458,225.55 = 266,117.70/x - Step 3: Cross multiply
305,483.70x = 458,225.55 × 266,117.70 - Step 4: Simplify right side
305,483.70x = 121,941,929,447.24 - Step 5: Solve for x
x = 121,941,929,447.24/305,483.70 - Step 6: Final answer
x = 399,176.55
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1.5x scale
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.