Finding the Fourth Proportional to 249,440.80, 344,326.80 and 153,986.08
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Solution
The fourth proportional to 249,440.80, 344,326.80 and 153,986.08 is: 212,561.59
Step by Step Solution
- Step 1: Write the proportion equation
249,440.80 : 344,326.80 = 153,986.08 : x - Step 2: Convert to fraction form
249,440.80/344,326.80 = 153,986.08/x - Step 3: Cross multiply
249,440.80x = 344,326.80 × 153,986.08 - Step 4: Simplify right side
249,440.80x = 53,021,534,170.94 - Step 5: Solve for x
x = 53,021,534,170.94/249,440.80 - Step 6: Final answer
x = 212,561.59
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1.5x scale
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.