Finding the Fourth Proportional to 307,742.99, 424,756.19 and 180,459.59
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Solution
The fourth proportional to 307,742.99, 424,756.19 and 180,459.59 is: 249,075.79
Step by Step Solution
- Step 1: Write the proportion equation
307,742.99 : 424,756.19 = 180,459.59 : x - Step 2: Convert to fraction form
307,742.99/424,756.19 = 180,459.59/x - Step 3: Cross multiply
307,742.99x = 424,756.19 × 180,459.59 - Step 4: Simplify right side
307,742.99x = 76,651,326,995.06 - Step 5: Solve for x
x = 76,651,326,995.06/307,742.99 - Step 6: Final answer
x = 249,075.79
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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.