Finding the Fourth Proportional to 180,974.93, 249,746.91 and 100,407.74
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Solution
The fourth proportional to 180,974.93, 249,746.91 and 100,407.74 is: 138,563.52
Step by Step Solution
- Step 1: Write the proportion equation
180,974.93 : 249,746.91 = 100,407.74 : x - Step 2: Convert to fraction form
180,974.93/249,746.91 = 100,407.74/x - Step 3: Cross multiply
180,974.93x = 249,746.91 × 100,407.74 - Step 4: Simplify right side
180,974.93x = 25,076,522,805.08 - Step 5: Solve for x
x = 25,076,522,805.08/180,974.93 - Step 6: Final answer
x = 138,563.52
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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.