Finding the Fourth Proportional to 180,547.96, 249,153.14 and 99,973.75
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Solution
The fourth proportional to 180,547.96, 249,153.14 and 99,973.75 is: 137,962.09
Step by Step Solution
- Step 1: Write the proportion equation
180,547.96 : 249,153.14 = 99,973.75 : x - Step 2: Convert to fraction form
180,547.96/249,153.14 = 99,973.75/x - Step 3: Cross multiply
180,547.96x = 249,153.14 × 99,973.75 - Step 4: Simplify right side
180,547.96x = 24,908,774,352.96 - Step 5: Solve for x
x = 24,908,774,352.96/180,547.96 - Step 6: Final answer
x = 137,962.09
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1.5x scale
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.