Finding the Fourth Proportional to 302,403.60, 453,605.40 and 207,925.20
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Solution
The fourth proportional to 302,403.60, 453,605.40 and 207,925.20 is: 311,887.80
Step by Step Solution
- Step 1: Write the proportion equation
302,403.60 : 453,605.40 = 207,925.20 : x - Step 2: Convert to fraction form
302,403.60/453,605.40 = 207,925.20/x - Step 3: Cross multiply
302,403.60x = 453,605.40 × 207,925.20 - Step 4: Simplify right side
302,403.60x = 94,315,993,516.08 - Step 5: Solve for x
x = 94,315,993,516.08/302,403.60 - Step 6: Final answer
x = 311,887.80
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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.