Finding the Fourth Proportional to 249,045.23, 343,681.28 and 135,867.98
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Solution
The fourth proportional to 249,045.23, 343,681.28 and 135,867.98 is: 187,497.19
Step by Step Solution
- Step 1: Write the proportion equation
249,045.23 : 343,681.28 = 135,867.98 : x - Step 2: Convert to fraction form
249,045.23/343,681.28 = 135,867.98/x - Step 3: Cross multiply
249,045.23x = 343,681.28 × 135,867.98 - Step 4: Simplify right side
249,045.23x = 46,695,281,966.78 - Step 5: Solve for x
x = 46,695,281,966.78/249,045.23 - Step 6: Final answer
x = 187,497.19
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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.