Finding the Fourth Proportional to 180,588.74, 249,335.61 and 112,632.26
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Solution
The fourth proportional to 180,588.74, 249,335.61 and 112,632.26 is: 155,509.33
Step by Step Solution
- Step 1: Write the proportion equation
180,588.74 : 249,335.61 = 112,632.26 : x - Step 2: Convert to fraction form
180,588.74/249,335.61 = 112,632.26/x - Step 3: Cross multiply
180,588.74x = 249,335.61 × 112,632.26 - Step 4: Simplify right side
180,588.74x = 28,083,233,252.78 - Step 5: Solve for x
x = 28,083,233,252.78/180,588.74 - Step 6: Final answer
x = 155,509.33
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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.