Finding the Fourth Proportional to 180,384.83, 249,007.74 and 112,435.65
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Solution
The fourth proportional to 180,384.83, 249,007.74 and 112,435.65 is: 155,208.99
Step by Step Solution
- Step 1: Write the proportion equation
180,384.83 : 249,007.74 = 112,435.65 : x - Step 2: Convert to fraction form
180,384.83/249,007.74 = 112,435.65/x - Step 3: Cross multiply
180,384.83x = 249,007.74 × 112,435.65 - Step 4: Simplify right side
180,384.83x = 27,997,346,680.30 - Step 5: Solve for x
x = 27,997,346,680.30/180,384.83 - Step 6: Final answer
x = 155,208.99
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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.