Finding the Fourth Proportional to 249,979.68, 374,971.95 and 62,991.18
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Solution
The fourth proportional to 249,979.68, 374,971.95 and 62,991.18 is: 94,487.38
Step by Step Solution
- Step 1: Write the proportion equation
249,979.68 : 374,971.95 = 62,991.18 : x - Step 2: Convert to fraction form
249,979.68/374,971.95 = 62,991.18/x - Step 3: Cross multiply
249,979.68x = 374,971.95 × 62,991.18 - Step 4: Simplify right side
249,979.68x = 23,619,925,597.40 - Step 5: Solve for x
x = 23,619,925,597.40/249,979.68 - Step 6: Final answer
x = 94,487.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.