Finding the Fourth Proportional to 307,572.68, 424,450.64 and 180,248.40
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Solution
The fourth proportional to 307,572.68, 424,450.64 and 180,248.40 is: 248,742.99
Step by Step Solution
- Step 1: Write the proportion equation
307,572.68 : 424,450.64 = 180,248.40 : x - Step 2: Convert to fraction form
307,572.68/424,450.64 = 180,248.40/x - Step 3: Cross multiply
307,572.68x = 424,450.64 × 180,248.40 - Step 4: Simplify right side
307,572.68x = 76,506,548,738.98 - Step 5: Solve for x
x = 76,506,548,738.98/307,572.68 - Step 6: Final answer
x = 248,742.99
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1.5x scale
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.