Finding the Fourth Proportional to 249,044.23, 343,684.89 and 135,866.98
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Solution
The fourth proportional to 249,044.23, 343,684.89 and 135,866.98 is: 187,498.53
Step by Step Solution
- Step 1: Write the proportion equation
249,044.23 : 343,684.89 = 135,866.98 : x - Step 2: Convert to fraction form
249,044.23/343,684.89 = 135,866.98/x - Step 3: Cross multiply
249,044.23x = 343,684.89 × 135,866.98 - Step 4: Simplify right side
249,044.23x = 46,695,428,075.93 - Step 5: Solve for x
x = 46,695,428,075.93/249,044.23 - Step 6: Final answer
x = 187,498.53
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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.