Finding the Fourth Proportional to 249,041.36, 343,663.08 and 141,637.52
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Solution
The fourth proportional to 249,041.36, 343,663.08 and 141,637.52 is: 195,451.82
Step by Step Solution
- Step 1: Write the proportion equation
249,041.36 : 343,663.08 = 141,637.52 : x - Step 2: Convert to fraction form
249,041.36/343,663.08 = 141,637.52/x - Step 3: Cross multiply
249,041.36x = 343,663.08 × 141,637.52 - Step 4: Simplify right side
249,041.36x = 48,675,586,366.76 - Step 5: Solve for x
x = 48,675,586,366.76/249,041.36 - Step 6: Final answer
x = 195,451.82
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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.