Finding the Fourth Proportional to 219,543.68, 302,970.16 and 118,941.68
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Solution
The fourth proportional to 219,543.68, 302,970.16 and 118,941.68 is: 164,139.45
Step by Step Solution
- Step 1: Write the proportion equation
219,543.68 : 302,970.16 = 118,941.68 : x - Step 2: Convert to fraction form
219,543.68/302,970.16 = 118,941.68/x - Step 3: Cross multiply
219,543.68x = 302,970.16 × 118,941.68 - Step 4: Simplify right side
219,543.68x = 36,035,779,820.27 - Step 5: Solve for x
x = 36,035,779,820.27/219,543.68 - Step 6: Final answer
x = 164,139.45
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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.