Finding the Fourth Proportional to 307,855.36, 424,903.68 and 180,597.76
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Solution
The fourth proportional to 307,855.36, 424,903.68 and 180,597.76 is: 249,262.03
Step by Step Solution
- Step 1: Write the proportion equation
307,855.36 : 424,903.68 = 180,597.76 : x - Step 2: Convert to fraction form
307,855.36/424,903.68 = 180,597.76/x - Step 3: Cross multiply
307,855.36x = 424,903.68 × 180,597.76 - Step 4: Simplify right side
307,855.36x = 76,736,652,823.76 - Step 5: Solve for x
x = 76,736,652,823.76/307,855.36 - Step 6: Final answer
x = 249,262.03
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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.