Finding the Fourth Proportional to 180,867.99, 249,585.62 and 104,390.31
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Solution
The fourth proportional to 180,867.99, 249,585.62 and 104,390.31 is: 144,051.58
Step by Step Solution
- Step 1: Write the proportion equation
180,867.99 : 249,585.62 = 104,390.31 : x - Step 2: Convert to fraction form
180,867.99/249,585.62 = 104,390.31/x - Step 3: Cross multiply
180,867.99x = 249,585.62 × 104,390.31 - Step 4: Simplify right side
180,867.99x = 26,054,319,721.39 - Step 5: Solve for x
x = 26,054,319,721.39/180,867.99 - Step 6: Final answer
x = 144,051.58
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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.