Finding the Fourth Proportional to 219,412.68, 302,788.98 and 118,810.68
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Solution
The fourth proportional to 219,412.68, 302,788.98 and 118,810.68 is: 163,958.46
Step by Step Solution
- Step 1: Write the proportion equation
219,412.68 : 302,788.98 = 118,810.68 : x - Step 2: Convert to fraction form
219,412.68/302,788.98 = 118,810.68/x - Step 3: Cross multiply
219,412.68x = 302,788.98 × 118,810.68 - Step 4: Simplify right side
219,412.68x = 35,974,564,610.31 - Step 5: Solve for x
x = 35,974,564,610.31/219,412.68 - Step 6: Final answer
x = 163,958.46
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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.